Sleeping newborn baby lying on a white blanket, wearing a cream crochet unicorn hat with a gold horn and pastel mane, plus a matching cream diaper cover with a pastel tail on the back.

Unicorn crochet diaper cover pattern

This unicorn crochet diaper cover pattern is a beginner-friendly project designed for 0–3 months and made with simple stitches, bright colors, and sweet unicorn details. It’s a cute handmade outfit for baby photo shoots, gifts, and special occasions, and it includes a matching hat option to complete the look.

Quick answer
This unicorn crochet diaper cover pattern is a beginner-friendly project made with worsted weight yarn and a J-10 (6 mm) crochet hook. It is sized for 0–3 months and includes instructions for the diaper cover, button closure, and tie straps.

Best for: Beginners
Style: Crochet baby unicorn diaper cover
Includes: Sizing details, written instructions, button closure, and tie straps

Unicorn crochet diaper cover pattern details

Here’s a quick overview of the materials, sizing, gauge, and pattern notes before you begin.

Skill level

Beginner — This pattern uses simple stitches and straightforward shaping, making it a great project for confident beginners.

Materials needed

  • Crochet Hook Size — J-10 (6 mm)
  • Yarn — Worsted weight yarn (#4) in white, pink, purple, blue, green, and yellow
  • Yarn needle — Use this to weave in your ends
  • Scissors — Use scissors to fasten off your yarn
  • Stitch marker(s) — Optional, but helpful for keeping track of stitches
  • Buttons — 2 buttons, 3/4 inch each

Finished size

This diaper cover is designed to fit babies ages 0–3 months.

Waist: 18″ (45.7 cm)
Hips: 19″ (48.3 cm)
Rise: 5.5″ (14 cm)

Gauge

15 stitches = 4 inches (10 cm)

Crochet abbreviations

  • sc = single crochet
  • hdc = half double crochet
  • dc = double crochet
  • tr = treble crochet
  • hdc2tog = half double crochet 2 stitches together
  • ch/chs = chain/chains
  • st/sts = stitch/stitches
  • sl st = slip stitch

Pattern notes

  • The beginning chain does not count as a stitch. 
  • The pattern is written in US crochet terms.
Baby unicorn diaper cover crochet pattern featuring a white crochet diaper cover paired with a matching unicorn hat for a 0–3 month baby photo prop.

Unicorn crochet diaper cover pattern instructions

Row 1: Ch 52, sc in 2nd ch from hook and in the rem chains, ch 3, turn (51 stitches)
Row 2: tc in 51 sts, ch 1, turn (51 stitches)
Row 3: sc in 51 sts, finish off (51 stitches)
Row 4: skip 13 sts, attach yarn to 14th st, hdc in same st, hdc in the next 24 sts, ch 2, turn (25 stitches)

Rows 5- 11: hdc in each st, ch 2, turn (25 stitches)
Row 12: hdc2tog, hdc in 23, ch 2, turn (24 stitches)
Row 13: hdc2tog, hdc in 22, ch 2, turn (23 stitches)
Row 14: hdc2tog, hdc in 21, ch 2, turn (22 stitches)
Row 15: hdc2tog, hdc in 20, ch 2, turn (21 stitches)

Row 16: hdc2tog, hdc in 19, ch 2, turn (20 stitches)
Row 17: hdc2tog, hdc in 18, ch 2, turn (19 stitches)
Row 18: hdc2tog, hdc in 17, ch 2, turn (18 stitches)
Rows 19- 32: hdc in each st, ch 2, turn (18 stitches)
Row 33: 2 hdc in first st, hdc in 16 sts, 2 hdc in last st, (20 stitches)

SC around the outside of the diaper cover (not the waistband) and weave in all of your ends.

Adding buttons

Attach buttons to front of diaper cover. The waistband will attach to the buttons in the spaces between the stitches. The waistband is adjustable.

Adding the tail

Tie strands of yarn to the back of the diaper cover to create the tail.

Finishing

Fasten off and weave in the ends.

Make it a gift set!

Pair it with my matching unicorn hat to create an irresistibly cute outfit, perfect for baby photo shoots!

Video tutorial

Youtube video

Free crochet baby costume patterns

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Browse the gallery below to find adorable crochet baby costumes you can make for little ones. For even more handmade ideas, visit my full collection of free crochet baby patterns.

Let’s connect!

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📌 Don’t forget to pin this pattern for later!
Happy crocheting! 🧶
— Melissa

Baby unicorn diaper cover crochet pattern featuring a white crochet diaper cover paired with a matching unicorn hat for a 0–3 month baby photo prop.