- Labintsov
- Labodinsky
- Lachinov
- Lagovchin
- Lakaev
- Lakhtionov (Lahtionov)
- Lakisov
- Lakostov
- Laktaev
- Lamekhov (Lamehov)
- Lanshev
- Lansky
- Laoukhin (Lauhin, Laouhin)
- Lapshin
- Laptev
- Largin
- Larionov
- Lasounsky (Lasunsky)
- Lavrentiev (Lavrentev)
- Lavretsky
- Lavrov
- Lazarev
- Lazarev-Stanischev
- Lebedev
- Ledenev
- Legostaev
- Lensky
- Leonov
- Leontiev (Leontev)
- Lependin
- Lesounov (Lesunov)
- Letounovsky (Letunovsky)
|
- Levanov
- Levashev
- Levin
- Levonidov
- Levshev
- Levshin
- Levykin
- Likhachev (Lihachev)
- Likharev (Liharev)
- Likhophastov (Lihofastov, Lihophastov)
- Likhviniv (Lihvinov)
- Litvinov
- Lizounov (Lizunov)
- Lobanov-Rostovsky (prince)
- Lobantsov
- Lobkov
- Lobov
- Lodygin
- Logvinov
- Logyzhensky
- Lomakin
- Lomanov
- Lomonosov
- Lomov
- Lopatin
- Lopotov
- Lopukhin
- Losev
- Loshakov
- Losmensky
- Lotorev
- Lovchikov
|
- Lukashev
- Lukin
- Lukomsky
- Lukyanchikov
- Lukyanov
- Lunev
- Lunin
- Lupandin
- Lutokhin
- Lutovinov
- Lutsevin
- Luzhetsky
- Luzhin
- Lvov
- Lvov (prince)
- Lyakhovich (Lyahovich)
- Lyalin
- Lyapunov
- Lychev
- Lykov
- Lykov (prince)
- Lystsov
- Lyubavsky
- Lyubetsky
- Lyubimov
- Lyubimov-Chubarov (Choubarov)
- Lyubovnikov
- Lyubusheninov
- Lyubushin
- Lyulin
- Lyushin
- Lyzlov
|