- Labvardas
- Lambert
- Lance
- Lander
- Landry
- Larry
- Lasse
- Laurier
- Lautaro
- Lawrence
- Lazarus
- Leander
- Léger
- Leif
- Łękomir
- Lembit
- Lengvenis
- Leodeogar
- Leo
- Leonidas
- Leon
- Leopold
- Lev
- Levin
- Levon
- Levoslav
- Liam
- Lias
- Liber
- Liciano
- Lilian
- Linas
- Linden
- Lingwen
- Lino
- Linus
- Lion
- Lionel
- Liubartas
- Liun
- Livy, Livius
- Loan
- Loïc
- Loit
- Lorik
- Loris
- Lotario
- Lothaire
- Lothar
- Louis, Lewis
- Louis-David
- Loup
- Luan
- Lubart
- Lubin
- Lubko
- Lucas, Luke
- Lucian, Lucius
- Lutz
