- OR7A10
- OR7A17
- OR7A2
- OR7A5
- OR7C1
- OR7C2
- OR7D2
- OR7D4
- OR7E13P
- OR7E24
- OR7E5P
- OR7E86P
- OR7E91P
- OR7G1
- OR7G2
- OR8A1
- OR8A2P
- OR8B12
- OR8B2
- OR8B3
- OR8B4
- OR8B8
- OR8D1
- OR8D4
- OR8G1
- OR8G2
- OR8G3P
- OR8G5
- OR8H1
- OR8H2
- OR8H3
- OR8I2
- OR8J1
- OR8J2
- OR8J3
- OR8K1
- OR8K3
- OR8K5
- OR8S1
- OR8U1
- OR8U9
- OR9A1P
- OR9A2
- OR9A4
- OR9G1
- OR9G4
- OR9G9
- OR9I1
- OR9K2
- OR9Q1
- OR9Q2
- ORAI1
- ORAI2
- ORAI3
- ORAOV1
- ORC1
- ORC2
- ORC3
- ORC4
- ORC5
- ORC6
- ORCTL-2/SLC22A18
- Orexin
- ORM1
- ORMDL1
- ORMDL2
- ORMDL3
- Orosomucoid 2
- Orosomucoid 3
- OS9
- OSBP
- OSBP2
- OSBPL10
- OSBPL11
- OSBPL1A
- OSBPL2
- OSBPL3
- OSBPL5
- OSBPL6
- OSBPL7
- OSBPL8
- OSBPL9
- OSCAR
- OSCP1
- OSER1
- OSGEP
- OSGEPL1
- OSGIN1
- OSGIN2
- OSR1
- OSR2
- OST alpha
- OST4
- OSTC
- Osteoactivin
- Osteocalcin
- Osteocrin
- Osteomodulin
- Osteopontin
- Osteoprotegerin