Alien Cat Crochet Pattern: Create Your Own Otherworldly Feline Friend
If you’ve been searching for a crochet project that’s equal parts adorable and out-of-this-world, you’ve landed in exactly the right place. This alien cat crochet pattern combines the irresistible charm of a plush amigurumi-style cat with the quirky, cosmic appeal of extraterrestrial design. Whether you’re a seasoned crocheter looking for something new to sink your hooks into or an intermediate maker ready to level up your skills, this pattern is packed with personality and surprisingly approachable.
From its antenna-tipped head to its glowing, multifaceted eyes, every detail of this alien cat is designed to delight. By the end of this post, you’ll have everything you need to create your own little cosmic companion — the full pattern, tips for customization, yarn recommendations, and ideas for gifting or displaying your finished creature.
Why Alien Cat Crochet Patterns Are Having a Moment
Amigurumi — the Japanese art of crocheting or knitting small stuffed toys — has been a beloved craft for decades, but in recent years, makers have started pushing the genre into wonderfully weird territory. Alien-themed crochet projects have exploded in popularity on platforms like Etsy, Pinterest, and Instagram, and it’s easy to see why. They blend nostalgia with novelty, combining the cozy, handmade feel of traditional amigurumi with the playful imagination of science fiction and fantasy.
Alien cats in particular have become a crowd favorite. Cats already occupy a mythical space in internet culture, and translating that into a handmade extraterrestrial plushie feels like a natural creative leap. These little creatures make incredible gifts for kids and adults alike, work beautifully as shelf decorations, and have a wildly giftable quality that makes them popular at craft fairs and online shops.
If you’ve been wanting to try your hand at an alien cat of your own, this guide has you covered from start to finish.
Materials You’ll Need
Before diving into the pattern itself, let’s gather everything you’ll need for this project. One of the best things about amigurumi is that it requires minimal supplies, and many of these items you probably already have in your craft stash.
Yarn: Choose a worsted weight yarn (size 4) in your main color. For the classic alien look, greens work beautifully — think lime green, sage, mint, or a deep forest green with a slight sheen. You’ll also want small amounts of a contrasting color for the belly, ears, and facial details. Metallic or sparkle yarns add a wonderful cosmic touch, though they can be trickier to work with if you’re newer to crochet.
Hook: A 3.5mm or 4.0mm crochet hook pairs perfectly with worsted weight yarn for amigurumi. You want the fabric to be tight enough that the stuffing doesn’t show through.
Safety eyes: 12mm safety eyes work well for this size. Black gives a classic look, but for a truly alien effect, consider colored safety eyes in purple, yellow, or an iridescent style. For projects that will be given to children under three, embroider the eyes instead of using safety eyes.
Stuffing: Polyester fiberfill stuffing is the standard choice. Stuff the pieces firmly as you go for the best shape.
Stitch markers: These are essential for keeping track of your rounds in the round. Clip-on markers are the most convenient.
Yarn needle: For sewing pieces together and weaving in ends.
Wire armature (optional): If you want poseable antennae, a small piece of craft wire wrapped in yarn gives them great flexibility.
Scissors: Any small, sharp pair works perfectly.
Pattern Notes and Abbreviations
This alien cat crochet pattern is worked mostly in continuous rounds (also called a magic spiral) rather than joined rounds, which helps give the finished pieces a smooth, seamless look. Here are the abbreviations you’ll encounter throughout the pattern.
MR — Magic ring (also called a magic circle)
sc — Single crochet
inc — Increase (2 single crochets in the same stitch)
dec — Invisible decrease (insert hook in the front loop of the next two stitches and work a single crochet through both)
sl st — Slip stitch
ch — Chain
BLO — Back loop only
FLO — Front loop only
( ) — Work all stitches inside the parentheses into the same stitch
[ ] x — Repeat the sequence inside brackets the indicated number of times
Gauge: Approximately 5 sc x 5.5 rows = 1 inch with 4.0mm hook and worsted weight yarn. For amigurumi, gauge doesn’t need to be exact, but consistency matters for proportion.
Finished size: Approximately 5–6 inches tall sitting, depending on yarn and stuffing.
The Alien Cat Crochet Pattern
Head
Using your main color, begin with a magic ring.
Round 1: 6 sc into MR (6)
Round 2: inc in each sc around (12)
Round 3: [sc, inc] x6 (18)
Round 4: [sc 2, inc] x6 (24)
Round 5: [sc 3, inc] x6 (30)
Round 6: [sc 4, inc] x6 (36)
Round 7: [sc 5, inc] x6 (42)
Rounds 8–14: sc in each sc around (42) — 7 rounds even
Round 15: [sc 5, dec] x6 (36)
This is where you’ll attach your safety eyes. Place them between rounds 9 and 10, approximately 8–10 stitches apart for that wide-set alien gaze. If you want a three-eyed alien cat, center a third, slightly smaller eye between the two main ones for maximum extraterrestrial charm.
Round 16: [sc 4, dec] x6 (30)
Round 17: [sc 3, dec] x6 (24)
Round 18: [sc 2, dec] x6 (18)
Stuff the head firmly before continuing.
Round 19: [sc 1, dec] x6 (12)
Round 20: dec x6 (6)
Fasten off, leaving a long tail. Use your yarn needle to close the remaining opening by weaving through the front loops of the 6 remaining stitches and pulling tight.
Ears (Make 2)
Using your main color.
Round 1: 4 sc into MR (4)
Round 2: inc in each sc around (8)
Round 3: [sc, inc] x4 (12)
Round 4: [sc 2, inc] x4 (16)
Round 5: sc in each sc around (16)
Round 6: sc in BLO of each sc around (16)
Fold the ear flat and sc through both layers across to close (8 stitches). Fasten off, leaving a long tail for sewing. These ears will have a slight pinch at the base which gives them that perfect feline point.
For a subtly alien effect, work rounds 1–3 in your accent color, then switch to your main color for rounds 4–6. The result is a little peek of contrasting color inside the ear, like a bioluminescent inner glow.
Antennae (Make 2)
Using your main color.
Round 1: 4 sc into MR (4)
Round 2: sc in each sc around (4)
Rounds 3–8: sc in each sc around (4) — 6 rounds even
At round 9, switch to your accent color or a metallic yarn.
Round 9: [sc, inc] x2 (6)
Round 10: inc in each sc around (12)
Rounds 11–12: sc in each sc around (12)
Fasten off, leaving a long tail for sewing. Lightly stuff the antenna, particularly the bulb at the top. If you’re using wire, fold a piece approximately 3 inches long, bend a small loop at the top to prevent it from poking through, and insert it into the antenna before stuffing.
Body
Using your main color.
Round 1: 6 sc into MR (6)
Round 2: inc in each sc around (12)
Round 3: [sc, inc] x6 (18)
Round 4: [sc 2, inc] x6 (24)
Round 5: [sc 3, inc] x6 (30)
Round 6: [sc 4, inc] x6 (36)
Rounds 7–16: sc in each sc around (36) — 10 rounds even
If you want to add a belly panel, switch to your accent color for rounds 9–14 in the front 12 stitches only, then rejoin your main color. This creates a soft, lighter tummy detail that adds beautiful dimension.
Round 17: [sc 4, dec] x6 (30)
Round 18: [sc 3, dec] x6 (24)
Round 19: [sc 2, dec] x6 (18)
Stuff the body firmly at this point.
Round 20: [sc 1, dec] x6 (12)
Round 21: dec x6 (6)
Close and fasten off as with the head.
Arms (Make 2)
Using your main color.
Round 1: 5 sc into MR (5)
Round 2: inc in each sc around (10)
Rounds 3–10: sc in each sc around (10) — 8 rounds even
Do not stuff, or stuff very lightly for flexibility. Fold flat and sc through both layers to close (5 stitches). Fasten off, leaving a long tail for sewing.
Legs (Make 2)
Using your main color.
Round 1: 6 sc into MR (6)
Round 2: inc in each sc around (12)
Round 3: [sc, inc] x6 (18)
Rounds 4–6: sc in each sc around (18) — 3 rounds even
Round 7: [sc 4, dec] x3 (15)
Round 8: [sc 3, dec] x3 (12)
Rounds 9–14: sc in each sc around (12) — 6 rounds even
Stuff the foot portion firmly and the leg portion lightly. Fold flat at the top and sc through both layers to close (6 stitches). Fasten off, leaving a long tail for sewing.
Tail
Using your main color.
Round 1: 4 sc into MR (4)
Round 2: [sc, inc] x2 (6)
Round 3: sc in each sc around (6)
Rounds 4–14: sc in each sc around (6) — 11 rounds even
For a playful curl, work one side of the tail slightly tighter than the other by occasionally working into only the back loop for several consecutive stitches. This naturally encourages the tail to curve. Fasten off, leaving a long tail for sewing.
Assembly
With all your pieces complete, assembly is where the magic happens. Lay out all your parts before sewing to find the arrangement you like best.
Begin by pinning the ears to the top of the head before sewing. Position them roughly 3–4 stitches back from the center top and about 8 stitches apart, angling them slightly outward. Sew securely through several stitches on both the ear and head, then knot and weave in the tail.
Next, attach the antennae between the ears, centered on top of the head. They should stand upright and lean ever so slightly outward. If you used wire, be sure the wire end is tucked well inside so it won’t poke through.
Sew the head to the body by pinning it in place first and checking the angle — a very slight forward tilt gives the cat a curious, inquisitive expression. Once you’re happy with the position, sew all the way around the neck, weaving the yarn through multiple stitches for a secure join.
Attach the arms on either side of the body at the shoulder area, roughly at round 3 from the neck. Sew the legs to the bottom of the body, positioning them so the cat sits stably on a flat surface. The tail attaches at the back base of the body.
If you’d like to add any embroidered details — a small nose worked in a Y-shape, whisker dots, or tiny claw lines on the paws — use a yarn needle and a contrasting thread or thin yarn for these finishing touches.
Customization Ideas
One of the most joyful aspects of this alien cat crochet pattern is how infinitely customizable it is. Here are some ideas to make your alien cat completely unique.
A galaxy colorway using hand-dyed or variegated yarn in deep purples, blues, and blacks creates a stunning night-sky effect with no extra effort. You can also try a roswell grey for a classic UFO-abduction aesthetic, or go full neon for a Y2K extraterrestrial vibe.
For extra-alien features, try adding additional eyes (five is a particularly chaotic and delightful choice), working the antennae in multiple colors for a tie-dye look, or crocheting tiny planets or stars to attach to the antenna tips instead of the round bulb shape.
If you want a larger version, simply go up a hook size and use bulky weight yarn. The proportions will all remain the same. A giant alien cat makes a phenomenal pillow or a very dramatic shelf statement.
You can also modify the sitting pose into a lying down or standing position by adjusting the leg length and attachment angle.
Tips for Success
Tight tension is your best friend in amigurumi. If you can see the stuffing through your stitches, go down half a hook size. The stitches should form a firm, dense fabric that holds its shape.
Count your stitches at the end of every round. It’s much easier to catch a missed increase or decrease while you’re still working the piece than to discover the problem at assembly.
Stuff as you go rather than waiting until the end. For pieces like the head and body, adding stuffing before you close the opening completely makes the work much easier and results in a more evenly shaped finished piece.
When sewing pieces together, use the same yarn you used to crochet the piece. It blends into the surrounding stitches much more naturally than a contrasting thread would.
Blocking amigurumi is generally not necessary, but if your finished cat has any pieces that look a little lopsided, a very light misting of water and gentle reshaping while damp can help.
Sharing Your Alien Cat
When you finish your alien cat, the community would love to see it. Share your finished project on Instagram or Pinterest using tags related to amigurumi, alien crochet, and cat crochet to connect with other makers and inspire people who are looking for their next project.
If you make modifications to the pattern — a different number of eyes, a new color palette, a poseable version — consider writing up your adjustments to share with others. The crochet community thrives on generosity and creative exchange, and your variation might be exactly what another maker is searching for.
This pattern is intended for personal use and small-scale handmade sales. If you sell finished items made from this pattern, a credit back to this post is always appreciated.
Final Thoughts
An alien cat crochet pattern sits at such a perfect intersection of cozy craft and imaginative whimsy. There’s something genuinely satisfying about turning a skein of green yarn into a little extraterrestrial being with pointy ears, glowing eyes, and wiggly antennae. Whether it becomes a gift, a shop listing, a personal keepsake, or the beginning of an entire alien cat army marching across your bookshelf, this project delivers enormous creative reward for the time invested.
Take your time, enjoy the process, and don’t stress about perfection — the slight irregularities of handmade work are exactly what make each alien cat its own unique creature from its own unique corner of the universe. Happy crocheting, and may your yarn never tangle.
