- Kinetochore Associated Protein 1 (KNTC1)
- Kinetochore Associated Protein 2 (KNTC2)
- Kynurenine-3-Monooxygenase (KMO)
- Klotho Beta (KLb)
- Klotho (KL)
- Ketohexokinase (KHK)
- Potassium Channel Regulator (KCNRG)
- Kv Channel Interacting Protein 4 (KCNIP4)
- Kv Channel Interacting Protein 1 (KCNIP1)
- Kv Channel Interacting Protein 2 (KCNIP2)
- Kv Channel Interacting Protein 3 (KCNIP3)
- Kidney Associated Antigen 1 (KAAG1)
- Jun B Proto Oncogene (JUNB)
- Junctional Sarcoplasmic Reticulum Protein 1 (JSRP1)
- Junction Mediating And Regulatory Protein p53 Cofactor (JMY)