- Leucine Zipper Protein 4 (LUZP4)
- Limbic System Associated Membrane Protein (LSAMP)
- Leucine Rich Repeat Kinase 2 (LRRK2)
- Leucine Rich Repeat Kinase 1 (LRRK1)
- Leucine Rich Repeat In FLII Interacting Protein 1 (LRRFIP1)
- Lymphoid Restricted Membrane Protein (LRMP)
- Lecithin Retinol Acyltransferase (LRAT)
- Ligand Of Numb Protein X1 (LNX1)
- Ligand Of Numb Protein X2 (LNX2)
- Leucyl/Cystinyl Aminopeptidase (LNPEP)
- LIM Homeobox Transcription Factor 1 Beta (LMX1b)
- LIM Homeobox Transcription Factor 1 Alpha (LMX1a)
- Lymphocyte Adaptor Protein (Lnk)
- Leiomodin 2 (LMOD2)
- Leiomodin 1 (LMOD1)
