- K-RAS
- KAAG1
- KAL1
- Kallikrein 1
- Kallikrein 10
- Kallikrein 11
- Kallikrein 12
- Kallikrein 13
- Kallikrein 14
- Kallikrein 15
- Kallikrein 2
- Kallikrein 4
- Kallikrein 5
- Kallikrein 6
- Kallikrein 7
- Kallikrein 8
- Kallikrein 9
- KALRN
- KANK2
- KANK3
- KANK4
- KANSL1
- KANSL1L
- KANSL2
- KANSL3
- KAP
- KAP1
- kappa Light Chain
- KARS
- KAT2A
- KAT2B
- KAT5
- KAT6B
- KATNA1
- KATNAL1
- KATNAL2
- KATNB1
- KATNBL1
- Kazald1
- Kazrin
- KBTBD11
- KBTBD12
- KBTBD13
- KBTBD2
- KBTBD3
- KBTBD4
- KBTBD5
- KBTBD6
- KBTBD7
- KBTBD8
- KCC2
- KCMF1
- KCNA1
- KCNA10
- KCNA2
- KCNA3
- KCNA5
- KCNA7
- KCNAB1
- KCNAB2
- KCNAB3
- KCNC1
- KCNC2
- KCNC3
- KCND1
- KCND2
- KCND3
- KCNE1
- KCNE1-Like
- KCNE2
- Kcne3
- KCNE4
- KCNF1
- KCNG1
- Kcng2
- KCNG3
- KCNG4
- KCNH1
- KCNH2
- KCNH3
- KCNH4
- KCNH5
- KCNH6
- KCNH7
- KCNH8
- KCNIP1
- KCNIP2
- KCNIP4
- KCNJ1
- KCNJ10
- KCNJ11
- KCNJ13
- KCNJ14
- KCNJ15
- KCNJ18
- KCNJ2
- KCNJ3
- KCNJ4
- KCNJ5
- KCNJ6