- MMP19
- Mmp1b
- MMP2
- MMP20
- MMP21
- MMP23A
- MMP23B
- MMP24
- MMP25
- MMP26
- MMP27
- MMP28
- MMP3
- MMP7
- MMP8
- MMRN2
- MMS19
- MNAT1
- MND1
- MNDA
- Mndal
- MNF1
- MNS1
- MNT
- MNX1
- MOAP1
- MOB1A
- MOB2
- MOBKL1A
- MOBKL2A
- MOBKL2B
- MOBKL2C
- MOBKL3
- MOBP
- MOCOS
- MOCS1
- MOCS2
- MOCS3
- Moesin
- MOG
- MOGAT1
- MOGAT2
- MOGAT3
- MOK
- MON1A
- MON1B
- Mon2
- Monoamine Oxidase A
- Monoamine Oxidase B
- MORC1
- MORC2
- MORC3
- MORC4
- MORF4
- MORF4L1
- MORF4L2
- MORG1
- MORN1
- MORN2
- MORN3
- MORN4
- MORN5
- MOS
- MOSC1
- MOSPD1
- MOSPD2
- MOSPD3
- Motilin
- Motilin Receptor
- MOV10
- MOV10L1
- MOXD1
- Moxd2
- MPC1L
- MPDU1
- MPDZ
- MPEG1
- MPG
- MPHOSPH10
- MPHOSPH6
- MPHOSPH8
- MPHOSPH9
- MPI
- MPL
- MPND
- MPP1
- MPP2
- MPP3
- MPP4
- MPP5
- MPP6
- MPP7
- MPPE1
- MPPED1
- MPPED2
- MPRIP
- Mps1
- MPST
- Mptx
- MPTX1