Given name & surname
Llewelyn
“resembling a lion”
Llewelyn is a variant of Llewellyn. One Welsh interpretation is “resembling a lion.”
Meaning & origin
What it means
Llewelyn is a variant of Llewellyn. One Welsh interpretation is “resembling a lion.”
Explained through its name family
Where it comes from
Llewelyn is a variant of Llewellyn. An origin associated with Llewellyn is Welsh.
Explained through its name family
The story
The name is associated with Welsh heroes or princes remembered for resistance to invaders.
Llewelyn through the years
- Babies since 1880
- 188
- 178 boys · 10 girls
- Most popular year
- 2024
- 24 babies
- 2025
- 17
- #5,516 for boys
- 2021–25 vs 2016–20
- +166%
- Rising fast
By the numbers
In 2025, this name appeared in 17 U.S. birth records for boys, ranking No. 5,516 among boys’ names. The recent annual counts are too incomplete to establish a ten-year comparison. Published U.S. population figures for this spelling include 243 as a first name in 2020; 423 as a surname in 2020.
From Social Security birth records and U.S. Census name counts for this exact spelling. Other spellings are counted separately.
Llewelyn’s family of names
Llewelyn has a short form in Lyn. Llewelyn has a related form in Llewellyn. Llewelyn has an affectionate form in Llelo.
Inner ring: nicknames and forms · outer: across languages.
Nicknames & forms 5
Diminutives, pet forms, short forms and variants used alongside the name.
Across languages 1
Equivalents and cognates in other languages, plus older forms it grew from.
See also 1
Names our sources mention alongside this one. They are related in story or meaning, not forms of this name.
People named Llewelyn
Listed by how widely each person is written about, which says nothing about the name itself.
Similar names
If you love Llewelyn, these share its style, era, origin or sound, from outside its own family.
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In Irish use, Declan is used as a form of Gaelic.
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Cormac
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Angus
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>99% boys