Child wearing a bright green crochet leprechaun top hat with a black band and yellow buckle beside text reading “Free leprechaun top hat crochet pattern.”

Crochet leprechaun top hat pattern

ByMelissa Hassler

Looking for a fun and festive hat to crochet for St. Patrick’s Day? This crochet leprechaun top hat pattern creates a tall green hat with a bold black band and yellow buckle for a classic Irish-inspired look.

Quick answer
This crochet leprechaun top hat pattern is worked in the round from the top down using worsted weight yarn and an I-9 (5.5 mm) hook. The design features a tall crown, a contrasting black band, and a yellow buckle, and includes toddler, child, and adult sizes.

Why you’ll love this pattern

  • Includes three sizes — toddler, child, and adult
  • Worked top down — easy to adjust height if needed
  • Beginner-friendly stitches — uses hdc, dc, and simple decreases
  • Bold festive design — classic green hat with buckle detail
  • Great for spring events — perfect for St. Patrick’s Day photos and school celebrations

Crochet leprechaun top hat pattern details

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

Skill level

Advanced beginner — This crochet leprechaun top hat pattern uses basic stitches with simple shaping. You should be comfortable working in the round, using half double crochet decreases, and following stitch counts and repeat instructions.

Materials needed

  • Crochet hook size — I-9 (5.5 mm) or size needed to match gauge
  • Yarn — Worsted weight yarn (#4) in green, black, and yellow
  • Yarn needle — to weave in the yarn ends
  • Scissors — to fasten off
  • Stitch marker(s) — optional, helpful for keeping track of rounds

Finished size

  • Toddler — 18–19 inches (46–48 cm) head circumference, 6.75 inches (17 cm) tall
  • Child — 19–20 inches (48–51 cm) head circumference, 7 inches (18 cm) tall
  • Adult — 20–23 inches (51–58 cm) head circumference, 7.75 inches (20 cm) tall

See my crochet hat sizing guide for full details and size charts.

Gauge

 8 stitches and 12 rounds = 4 inches (10 cm)

Learn how to check crochet gauge before you begin so you can adjust your hook size if needed.

Crochet abbreviations

Pattern notes

  • Rounds 1–8 are the same for all sizes.
  • The chain at the beginning of each round does not count as your first stitch.
  • Join each round with a slip stitch to the first stitch made in that round. 
  • Repeat instructions between the asterisks (*) for the rest of the round.
  • You are crocheting in the round from the top down.
  • The pattern is written in US crochet terms.

Quick links

Rounds 1–8
Toddler size
Child size
Adult size
Adding the buckle
Finishing
FAQs

Free crochet leprechaun top hat pattern instructions

Rounds 1–8 are the same for all sizes.

Rounds 1–8

Round 1: magic circle, ch 2, 9 hdc, join with sl st in top of first hdc (9 stitches)
Round 2: ch 2, 2 hdc in each st, join (18 stitches)
Round 3: ch 2, *2 hdc, hdc in next st*, join (27 stitches)
Round 4: ch 2, *2 hdc, hdc in next 2 sts*, join (36 stitches)
Round 5: ch 2, *2 hdc, hdc in next 3 sts*, join (45 stitches)
Round 6: ch 2, *2 hdc, hdc in next 4 sts*, join (54 stitches)
Round 7: ch 2, *2 hdc, hdc in next 5 sts*, join (63 stitches)
Round 8: ch 2, *2 hdc, hdc in next 6 sts*, join (72 stitches)

Toddler size

Round 9:
Ch 2, hdc2tog blo, hdc blo in each rem st, join (71 stitches)

Rounds 10–23:
Ch 2, hdc2tog, hdc in each rem st, join — 1 stitch decreased each round (70–57 stitches)

Switch to black yarn.

Rounds 24–25:
Ch 2, hdc2tog, hdc in each rem st, join (56, 55 stitches)

Rounds 26–27:
Ch 2, hdc in each st, join (55 stitches)

Switch to green yarn.

Round 28:
Ch 2, hdc in each st, join (55 stitches)

Brim
Round 29:
Ch 2, *2 hdc flo in next st, hdc flo in next 2 sts*; hdc flo in last st, join (73 stitches)

Rounds 30–32:
Ch 2, hdc in each st, join (73 stitches)

Child size

Round 9:
Ch 2, *2 hdc in next st, hdc in next 7 sts*, repeat around, join (81 stitches)

Round 10:
Ch 2, hdc2tog blo, hdc blo in each rem st, join (80 stitches)

Rounds 11–26:
Ch 2, hdc2tog, hdc in each rem st, join — 1 stitch decreased each round (79–64 stitches)

Switch to black yarn.

Rounds 27–30:
Ch 2, hdc2tog, hdc in each rem st, join — 1 stitch decreased each round (63–60 stitches)

Switch to green yarn.

Round 31:
Ch 2, hdc in each st, join (60 stitches)

Brim
Round 32:
Ch 2, *2 hdc flo in next st, hdc flo in next 2 sts*, repeat around, join (80 stitches)

Rounds 33–35:
Ch 2, hdc in each st, join (80 stitches)

Adult size

Round 9:
Ch 2, *2 hdc in next st, hdc in next 7 sts*, repeat around, join (81 stitches)

Round 10:
Ch 2, *2 hdc in next st, hdc in next 8 sts*, repeat around, join (90 stitches)

Round 11:
Ch 2, hdc2tog blo, hdc blo in each rem st, join (89 stitches)

Rounds 12–29:
Ch 2, hdc2tog, hdc in each rem st, join — 1 stitch decreased each round (88–71 stitches)

Switch to black yarn.

Rounds 30–33:
Ch 2, hdc2tog, hdc in each rem st, join — 1 stitch decreased each round (70–67 stitches)

Switch to green yarn.

Round 34:
Ch 2, hdc2tog, hdc in each rem st, join (66 stitches)

Brim
Round 35:
Ch 2, *2 hdc flo in next st, hdc flo in next 2 sts*, repeat around, join (88 stitches)

Rounds 36–38:
Ch 2, hdc in each st, join (88 stitches)

Adding the buckle

Use yellow yarn.

Foundation:
Ch 20 and join with a slip stitch to form a ring. The ch-2 spaces will create the corners of the buckle.

Round 1:
Ch 2, hdc in next 6 chs, ch 2, hdc in next 4 chs, ch 2, hdc in next 6 chs, ch 2, hdc in next 4 chs, ch 2, join and fasten off.

Position the buckle over the black band and sew it securely to the hat using a yarn needle.

Finishing

Weave in all ends and shape the hat as needed.

Close-up of a child wearing a tall green crochet leprechaun top hat with a black band and yellow buckle, perfect for St. Patrick’s Day.

Frequently asked questions

Is this crochet leprechaun top hat pattern worked flat or in the round?
It is worked in the round from the top down.

What yarn should I use?
Use worsted weight yarn #4 in green, black, and yellow for the classic look.

What hook size is recommended?
An I-9 (5.5 mm) crochet hook, or the hook needed to match gauge.

Can I make the hat taller?
Yes. Add extra rounds before starting the brim to increase the height.

Is this pattern beginner-friendly?
It is best suited for advanced beginners who are comfortable working in the round and following shaping instructions.

How to style your crochet leprechaun top hat

This crochet leprechaun top hat pattern is perfect for:

  • St. Patrick’s Day school parties
  • Spring parades and community events
  • Themed family photos
  • Irish dance or celebration outfits
  • Classroom dress-up days

Because it’s worked in the round from the top down, the hat keeps its tall shape while still fitting comfortably. The structured crown and bold brim make it stand out in photos without being heavy or bulky.

You can style it with:

  • A green sweater and jeans for a simple festive look
  • A shamrock shirt for an easy holiday outfit
  • Orange yarn accents for a playful leprechaun twist
  • Matching family hats in different sizes

More free crochet hat patterns

Love making cozy hats? Explore even more free crochet hat and beanie patterns that are perfect for every season and style. From classic beanies and warm winter hats to playful designs for kids and trendy accessories for adults, you’ll find inspiration for your next project here.

Let’s connect!

I’d love to see what you’re making! Share your finished project and follow along for more free crochet patterns and tutorials.

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