Lenni
- Gender
- Unisex
- Say it
- LEN-ee
- Origin
- Germanic
- UK rank, 2025
- #4,301 for boys
- US rank, 2025
- #3,341 for girls
Unisex
Lenni is a name of Germanic origin, meaning “brave as a lion”. In 2025 it ranked 4,301st for boys in the UK (4 babies) and 3,341st for girls in the US (46 babies).
What does Lenni mean?
Germanic: spelling of Lenny; pet form of Leonard
“brave as a lion”
A pet form of Leonard, from Germanic words for lion and brave, now used as a name in its own right.
Meaning borrowed from Lenny. More on Wiktionary.
Is Lenni a girl's or a boy's name?
In recent years, Lenni has been given to both girls and boys. In 2025, it was given to 5 girls and 4 boys in the UK and 46 girls in the US.
How popular is Lenni in the UK?
- Rank in 2025
- #4,301among boys
- Babies in 2025
- 4about 1 in 75,000 boys
- Five-year trend
- Steadyup 5% in five years
- Same name in a class
- under 1%chance among 15 boys
In 2025, 4 boys in the UK were named Lenni, making it the 4,301st most popular name for boys. Five years earlier, in 2020, it was 3,502nd. Its busiest year was 2012, with 9 boys. 5 girls were also named Lenni in 2025 (4,276th for girls).
2025 had fewer boys named Lenni than any year since 2016.
Half of all the boys named Lenni in the UK since 1996 were born between 2012 and 2021, the years shaded on the chart below.
In 2025, 610 boys in the UK were given Lenni or a name that sounds the same. With every name's spellings counted this way, that ranks #107, up from #4,301 for this spelling alone.
In 2024, 27% of the babies named Lenni in the UK were girls.
Among boys in 2025, it was 4,212th in England and Wales.
Lenni in the UK, year by year
| Year | Boys | Rank |
|---|---|---|
| 2025 | 4 | #4,301 |
| 2024 | 8 | #2,750 |
| 2023 | 8 | #2,691 |
| 2022 | 7 | #2,922 |
| 2021 | 6 | #3,179 |
| 2020 | 5 | #3,502 |
| 2019 | 9 | #2,399 |
| 2018 | 5 | #3,596 |
| 2017 | 7 | #2,875 |
| 2016 | 1 | #6,416 |
| 2015 | 4 | #4,086 |
| 2014 | 8 | #2,593 |
| 2013 | 8 | #2,541 |
| 2012 | 9 | #2,382 |
| 2011 | 4 | #3,986 |
| 2010 | 4 | #4,026 |
| 2009 | 4 | #3,909 |
| 2008 | 6 | #2,906 |
| 2007 | 0 | – |
| 2006 | 4 | #3,522 |
How popular is Lenni in the US?
- Rank in 2025
- #3,341among girls
- Babies in 2025
- 46about 1 in 35,000 girls
- Five-year trend
- Rising fastup 110% in five years
- Same name in a class
- under 1%chance among 15 girls
In 2025, 46 girls in the US were named Lenni, making it the 3,341st most popular name for girls. Five years earlier, in 2020, it was 4,451st. Its busiest year was 2023, with 52 girls. It first appears in the records in 1966.
Half of all the girls named Lenni in the US since 1880 were born between 2019 and 2024, the years shaded on the chart below.
In 2025, 176 girls in the US were given Lenni or a name that sounds the same. With every name's spellings counted this way, that ranks #1,154, up from #3,341 for this spelling alone.
Lenni in the US, year by year
| Year | Girls | Rank |
|---|---|---|
| 2025 | 46 | #3,341 |
| 2024 | 45 | #3,459 |
| 2023 | 52 | #3,140 |
| 2022 | 29 | #4,668 |
| 2021 | 32 | #4,322 |
| 2020 | 30 | #4,451 |
| 2019 | 25 | #5,161 |
| 2018 | 13 | #8,142 |
| 2017 | 20 | #6,040 |
| 2016 | 15 | #7,599 |
| 2015 | 8 | #11,830 |
| 2014 | 9 | #10,949 |
| 2013 | 6 | #14,577 |
| 2012 | 0 | – |
| 2011 | 0 | – |
| 2010 | 0 | – |
| 2009 | 0 | – |
| 2008 | 0 | – |
| 2007 | 0 | – |
| 2006 | 0 | – |
| 2005 | 0 | – |
| 2004 | 0 | – |
| 2003 | 0 | – |
| 2002 | 0 | – |
| 2001 | 0 | – |
| 2000 | 0 | – |
| 1999 | 0 | – |
| 1998 | 0 | – |
| 1997 | 0 | – |
| 1996 | 0 | – |
| 1995 | 0 | – |
| 1994 | 0 | – |
| 1993 | 0 | – |
| 1992 | 0 | – |
| 1991 | 0 | – |
| 1990 | 0 | – |
| 1989 | 0 | – |
| 1988 | 0 | – |
| 1987 | 0 | – |
| 1986 | 0 | – |
| 1985 | 0 | – |
| 1984 | 0 | – |
| 1983 | 0 | – |
| 1982 | 0 | – |
| 1981 | 0 | – |
| 1980 | 0 | – |
| 1979 | 0 | – |
| 1978 | 0 | – |
| 1977 | 6 | #8,442 |
| 1976 | 0 | – |
| 1975 | 0 | – |
| 1974 | 0 | – |
| 1973 | 0 | – |
| 1972 | 0 | – |
| 1971 | 0 | – |
| 1970 | 0 | – |
| 1969 | 0 | – |
| 1968 | 0 | – |
| 1967 | 0 | – |
| 1966 | 5 | #6,563 |
Names like Lenni
Names given in the same years and the same naming tradition, with a similar sound.
Levi Louie Henry Freddie Reggie Eli Albie Leo Frederick Albert Otis Archie
Other spellings of Lenni
Names related to Lenni
More Germanic names
Amelia Liam Charlotte William Charlie Emma Ella Harry Millie Matilda Miles Alice Myles Charles Lottie Avery
Sources
Figures from Baby names in England and Wales (Office for National Statistics), Babies' first names (National Records of Scotland), Baby names (Northern Ireland Statistics and Research Agency) and Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Lenni: name meaning, origin and popularity”, https://www.nameling.co.uk/names/lenni, updated 20 October 2026.