- Lamar
- Lambart
- Lambert
- Lambrecht
- Lambret
- Lambrett
- Landmari
- Larenzo
- Laurenz
- Lear
- Len
- Lenard
- Lennard
- Lenny
- Leon
- Leonard
- Leonie
- Leopold
- Leopoldo
- Levi
- Lewi
- Lewy
- Liam
- Lindberg
- Lindeberg
- Loki
- Lorah
- Lorenz
- Loring
- Loritz
- Lothair
- Lothar
- Lotharing
- Louis
- Ludovic
- Luduvic
- Luduvico
- Ludwig
- Ludwik
- Luther
- Lutz