Keychain Penguin Crochet Pattern – Old Library

There is something quietly magical about a tiny crocheted penguin dangling from your keys. It catches the light, it makes people smile, and it carries with it that particular satisfaction of having made something with your own hands. This pattern, which I call the Old Library, was designed with that feeling in mind — something small, charming, and a little nostalgic, like a bookmark tucked between the pages of a beloved novel you keep returning to.

Whether you are brand new to crochet or a seasoned maker looking for your next quick project, this keychain penguin pattern is the perfect companion for an afternoon of crafting. It works up fast, uses very little yarn, and produces a result that feels almost disproportionately delightful for the amount of effort involved. Let me walk you through everything you need to know, from materials to finishing touches.

Why a Keychain Penguin?

Before we dive into the pattern itself, let us talk about why this particular little creature deserves a place on your key ring.

Penguins have long held a special place in the hearts of people who love animals with personality. There is something inherently charming about a bird that dresses formally at all times, waddles with great dignity, and manages to thrive in the most extreme conditions on earth. They are simultaneously comic and noble, and that contradiction translates beautifully into a tiny amigurumi figure.

The Old Library name came to me because of the color palette I originally used when designing this pattern — deep navy, cream, and a warm amber for the beak and feet, colors that reminded me of old hardcover books on dark wooden shelves. The textures of worn spines, the quiet of a reading room, the smell of paper. If you are a reader as well as a crafter, this little penguin might feel like yours in a particular way.

But of course you can make him in any colors you like. A bright tuxedo black and white is the classic approach, and it is classic for a reason. You could also venture into fantasy territory with a purple body or a pastel mint belly, and your penguin would be just as charming.

Materials You Will Need

One of the great joys of keychain-sized amigurumi is that the materials list is gloriously minimal. You likely have most of what you need already.

Yarn: You will need a small amount of dark yarn for the body (black, dark navy, or charcoal all work beautifully), a small amount of white or cream yarn for the belly, and an even smaller amount of orange or amber yarn for the beak and feet. The total yarn used is so small that this is an excellent stash-buster project. Any worsted or DK weight yarn will work well here, though the lighter the weight, the more refined your finished penguin will look.

Hook: A 2.5mm or 3mm crochet hook is ideal for this project. Going smaller than the yarn’s recommended hook size is intentional in amigurumi — it tightens your stitches so that no stuffing peeks through and gives your finished piece a firm, pleasing structure.

Stuffing: A small pinch of polyester fiberfill is all you need. Because the penguin is small, you want to be sparing — just enough to give it a little roundness without making it stiff or lumpy.

Safety eyes: Two 6mm black safety eyes are perfect for this scale. If you are making this for a child under three years old, embroider the eyes with black yarn instead for safety.

Keychain ring: A standard split ring or lobster clasp keychain attachment, which you can find at any craft store or online. You will attach a short length of yarn or a small chain to the top of your penguin’s head and secure it to the ring.

Tapestry needle: For weaving in ends and for any embroidery details you want to add.

Stitch marker: Optional but genuinely helpful for keeping track of rounds in the round construction of this pattern.

Abbreviations Used in This Pattern

This pattern uses standard US crochet terminology. Here is a quick reference so you can keep the list nearby as you work.

MR — magic ring
sc — single crochet
inc — increase (two single crochets in the same stitch)
dec — invisible decrease (insert hook through front loops of next two stitches, yarn over, pull through, yarn over, pull through two loops)
sl st — slip stitch
ch — chain
BLO — back loop only
FLO — front loop only
st — stitch
rnd — round

Pattern Notes

Work in continuous rounds unless otherwise stated. Do not join at the end of each round unless the pattern specifically instructs you to. Use a stitch marker to mark the beginning of each round and move it up as you go.

The finished penguin stands approximately 6 to 7 centimeters tall when complete, which is just the right size for a keychain. It is chunky enough to feel substantial in your hand but light enough not to weigh down your keys.

The Pattern: Old Library Keychain Penguin

Body

The body is worked from the bottom up in the round. You will start with the dark color and switch to white partway through to create the belly panel.

Round 1: Using dark yarn, make a magic ring. Work 6 sc into the ring. (6 sts)

Round 2: Inc in each st around. (12 sts)

Round 3: Sc 1, inc repeat around. (18 sts)

Round 4: Sc 2, inc repeat around. (24 sts)

Rounds 5 through 8: Sc in each st around. (24 sts) — 4 rounds even

At the end of round 8, you are going to begin the belly panel. You will switch to white yarn for the center stitches and carry your dark yarn alongside, or you can work the belly panel separately and sew it on at the end — both methods work, though working it in is tidier.

Round 9: Sc 8 in dark, sc 8 in white, sc 8 in dark. (24 sts)

Round 10: Sc 7 in dark, sc 10 in white, sc 7 in dark. (24 sts)

Round 11: Sc 6 in dark, sc 12 in white, sc 6 in dark. (24 sts)

Round 12: Sc 6 in dark, sc 12 in white, sc 6 in dark. (24 sts)

Now you will begin decreasing to close the top of the body. Switch back to all dark yarn.

Round 13: Sc 2, dec repeat around. (18 sts)

Before completing round 14, attach your safety eyes between rounds 10 and 11, placing them roughly 6 stitches apart on the dark area on either side of the white belly panel. Insert them firmly and attach the washers on the inside.

Round 14: Sc 1, dec repeat around. (12 sts)

Now stuff your penguin lightly with fiberfill.

Round 15: Dec around. (6 sts)

Fasten off, leaving a long tail. Use your tapestry needle to sew the remaining 6 stitches closed by threading through the front loops of each remaining stitch and pulling tight. Weave in your end.

Wings (Make Two)

The wings are small flat ovals worked in dark yarn. They give your penguin personality and scale.

Round 1: Using dark yarn, MR and work 6 sc into the ring. (6 sts)

Round 2: Inc in each st around. (12 sts)

Round 3: Sc 1, inc repeat around. (18 sts)

Rounds 4 and 5: Sc in each st around. (18 sts)

Round 6: Sc 1, dec repeat around. (12 sts)

Flatten the piece and do not stuff. Sl st across the opening to close, leaving a long tail for sewing. You want the wing to be a slightly pointed oval shape. Fasten off and leave a tail.

Sew one wing to each side of the body, positioning them roughly at round 9 or 10 of the body, so they sit naturally at the penguin’s sides. A few firm stitches through the body and back through the base of the wing will secure them well.

Beak

The beak is a tiny diamond-shaped piece worked in orange or amber yarn.

Round 1: Using orange yarn, MR and work 4 sc into the ring. (4 sts)

Round 2: Inc in each st around. (8 sts)

Round 3: Sc in each st around. (8 sts)

Round 4: Dec around. (4 sts)

Do not stuff. Fasten off and leave a long tail. Pinch the piece so it forms a small triangular beak shape, and sew it to the front of the penguin’s face between the eyes, roughly at round 10 or 11 of the body. A few stitches are enough — the beak is so small that it does not need extensive anchoring.

Feet (Make Two)

The feet are simple flat ovals that give the penguin something to stand on, at least in spirit.

Round 1: Using orange yarn, ch 4. Sc in 2nd ch from hook, sc 1, inc in last ch. Working back along the other side of the chain: sc 2, inc. (8 sts)

Round 2: Inc, sc 1, inc 2, sc 1, inc 2. (13 sts)

Round 3: Sl st around the edge. Fasten off, leaving a tail.

Sew the feet flat against the bottom of the body, angled slightly outward the way a penguin’s feet naturally splay. This gives your finished figure a grounded, waddling quality that is enormously satisfying.

Finishing the Keychain

To attach your penguin to a keychain ring, cut a length of dark yarn approximately 10 centimeters long. Thread both ends through your tapestry needle and pass the needle down through the top of the penguin’s head, pulling through so you have a small loop of yarn sitting at the crown. Thread the loop through your keychain ring, then pass both yarn tails through the loop and pull snug to create a lark’s head knot. Tie the tails together firmly with two or three square knots close to the penguin’s head, then thread the tails back down into the body and trim.

If you prefer a more polished look, you can use a small jump ring attached to the keychain ring, and loop your yarn through that before securing it. A dab of fabric glue on the knots inside the penguin’s head will ensure nothing comes loose with daily use.

Tips for a Beautiful Finished Penguin

Tension matters more than usual in tiny amigurumi. Because the pieces are so small, a loose stitch here or there is proportionally more visible than it would be in a larger project. Take your time with each stitch, and do not be afraid to rip back and redo a round if something looks uneven.

The invisible decrease makes a noticeable difference in the finished piece. It creates a much smoother surface than a standard decrease and is worth practicing if you are not already comfortable with it.

When you stuff the body, resist the urge to overfill. A well-stuffed small amigurumi should feel firm but not taut. If the stitches are being pulled apart by the stuffing, you have added too much.

If you want a more defined belly panel, you can work the white section as a separate flat oval and sew it onto the front of the body instead of working the color changes in the round. Some crafters find this approach produces a crisper edge between the dark and light areas.

Variations and Color Ideas

The Old Library colorway uses dark navy, cream, and amber, and it is my personal favorite for the warm, nostalgic feeling it produces. But there are so many directions you can take this pattern.

A classic black-and-white penguin with a bright orange beak is the most immediately recognizable version and is guaranteed to delight anyone who sees it. A grey body with a pale yellow belly makes a beautiful emperor penguin interpretation. For something more whimsical, try a deep burgundy body with a gold belly — a regal little creature that would look lovely on a set of house keys.

You can also add accessories. A tiny crocheted scarf worked in a contrasting color adds charm without requiring much extra yarn or effort. A miniature bow tie, appropriate for such a formally dressed bird, can be made with a small length of ribbon or with a very simple crocheted piece. Some crafters add a tiny hat — a simple flat circle on top is enough to read as a beret or a top hat depending on the color and size.

Making a Set

One of the nicest things about a pattern this quick is that it lends itself beautifully to making multiples. A family of penguins in different sizes — using different yarn weights to scale the pattern up or down — makes an incredibly thoughtful gift set. You could make parent penguins and baby penguins, each with their own small keychain ring.

They also make wonderful additions to gift wrapping, party favors, or holiday ornaments. Swap the keychain attachment for a short loop of ribbon and you have a tree ornament. Attach a pin backing and you have a brooch. The basic form is so versatile that once you have made one, you will naturally start imagining all the other things it could become.

A Few Words About the Name

I named this pattern Old Library not just for the colors but for the feeling I wanted it to carry. There is a specific kind of comfort in an old library — the sense that you are in a place where things have been carefully preserved, where knowledge and stories are held with respect, where you are invited to slow down and pay attention. A handmade object carries some of that same quality. Someone took their time. Someone chose colors and materials and stitches with care. Someone made something that did not need to exist and brought it into being anyway, because it would be beautiful or useful or bring a moment of delight.

That is what crochet does. That is what this tiny penguin is, in his navy coat and cream shirtfront, dangling from someone’s keys and making the daily errand runs a little more charming.

I hope he brings you that feeling too.

Sharing Your Makes

If you make this pattern, I would love to see your finished penguin. Share your photos and tag the post so the crochet community can admire your work — the variety of color choices people come up with never fails to be inspiring, and seeing the same pattern interpreted through different hands and palettes is one of the quiet joys of sharing patterns online.

Save this post so you can return to the instructions whenever you need them, and feel free to share it with any crocheting friends who might enjoy a quick, satisfying make. This pattern is for personal use and small-scale gifting. Please do not sell the pattern itself, though finished items made from this pattern are entirely yours to do with as you like.

Happy crocheting. May your stitches be even, your yarn never tangle, and your keychain penguin bring a small moment of joy to everyone who sees him.