- L-Gulonolactone Oxidase
- L-Selectin
- L1CAM
- L1RE1
- L1TD1
- L2HGDH
- L3HYPDH
- L3MBTL1
- L3MBTL2
- L3MBTL3
- L3MBTL4
- LACC1
- LACE1
- Lacritin
- Lactate Dehydrogenase A
- Lactate Dehydrogenase C
- LACTB
- LACTB2
- LACTBL1
- Lactoferrin
- Ladinin 1
- LAG3
- LAGE3
- LAIR1
- LAIR2
- LALBA
- LAMA3
- LAMa4
- LAMB2
- LAMb4
- LAMC2
- LAMC3
- Lamin A/C
- Lamin B Receptor
- Lamin B1
- Lamin B2
- Laminin
- Laminin alpha 1
- Laminin alpha 5
- Laminin beta 1
- Laminin beta 3
- Laminin gamma 1
- LAMP1
- LAMP2
- LAMP3
- LAMP5
- LAMTOR1
- LAMTOR2
- LAMTOR4
- LANCL1
- LANCL2
- LANCL3
- LAP3
- LAPTM4A
- LAPTM4B
- LAPTM5
- LARGE
- LARP1
- LARP1B
- LARP4
- LARP4B
- LARP6
- LARP7
- LARS
- LARS2
- LAS1L
- LASP1
- LASS1
- LASS3
- LASS4
- LASS5
- LAT
- LAT2
- Latexin
- Latrophilin 1
- LATS1
- LATS2
- LAX1
- Layilin
- LBA1
- LBH
- LBP
- Lbx1
- LBX2
- LC3B
- LC3C
- LCA5
- LCA5L
- LCAT
- LCE1A
- LCE1B
- LCE1C
- LCE1D
- LCE1E
- LCE1F
- LCE2A
- LCE2B
- LCE2C
- LCE3A
- LCE3B