- Trafficking Protein, Kinesin Binding 2 (TRAK2)
- Kinesin Light Chain 3 (KLC3)
- Kinesin Light Chain 4 (KLC4)
- Kinesin Light Chain 2 (KLC2)
- Kinesin Associated Protein 3 (KIFAP3)
- Kelch Domain Containing Protein 1 (KLHDC1)
- Kelch Domain Containing Protein 2 (KLHDC2)
- Kringle Containing Transmembrane Protein 2 (KREMEN2)
- Kisspeptin Receptor (KISS1R)
- Leukocyte Cell Derived Chemotaxin 2 (LECT2)
- Lysophosphatidic Acid Receptor 2 (LPAR2)
- Lysophosphatidic Acid Receptor 3 (LPAR3)
- Lysophosphatidic Acid Receptor 4 (LPAR4)
- Lysophosphatidic Acid Receptor 5 (LPAR5)
- Lysophosphatidic Acid Receptor 6 (LPAR6)