- Otoconin 90 (OC90)
- Oculomedin (OCLM)
- Oncomodulin (OCM)
- Nucleoredoxin Like Protein 1 (NXNL1)
- Nucleoredoxin (NXN)
- Nucleolar And Spindle Associated Protein 1 (NUSAP1)
- Nuclear Fragile X Mental Retardation Protein Interacting Protein 2 (NUFIP2)
- Nuclear Fragile X Mental Retardation Protein Interacting Protein 1 (NUFIP1)
- Nuclear Casein Kinase And Cyclin Dependent Kinase Substrate 1 (NUCKS1)
- Nucleotide Binding Protein 2 (NUBP2)
- Nucleotide Binding Protein 1 (NUBP1)
- Neuropathy Target Esterase (NTE)
- N-Terminal Asparagine Amidase (NTAN1)
- Nuclear Receptor Binding SET Domain Protein 1 (NSD1)
- Nurim (NRM)
