| Gene | Description | Location | Gene Omim Number | Disease Omim Number |
| NAGLU | N-ACETYLGLUCOSAMINIDASE, ALPHA-; NAGLU | 17q21 | 609701 | 609701 |
| NBS1 | NIBRIN; NBN | 8q21 | 602667 | 251260 |
| NDP | NORRIE DISEASE; ND | Xp11.4 | 310600 | 300658 |
| NEB | NEBULIN; NEB | 2q23.3 | 161650 | 161650 |
| NF1 | NEUROFIBROMATOSIS, TYPE I; NF1 | 17q11.2 | 162200 | 613113 |
| NF2 | NEUROFIBROMIN 2; NF2 | 22q12.2 | 607379 | 607379 |
| NGLY1 | N-GLYCANASE 1; NGLY1 | 3p24.2 | 610661 | 610661 |
| NHLRC1 | NHL REPEAT-CONTAINING PROTEIN 1; NHLRC1 | 6p22.3 | 608072 | 608072 |
| NIPBL | NIPPED-B-LIKE; NIPBL | 5p13.1 | 608667 | 608667 |
| NOTCH3 | NOTCH RECEPTOR 3; NOTCH3 | 19p13.12 | 600276 | 600276 |
| NPC1 | NPC INTRACELLULAR CHOLESTEROL TRANSPORTER 1; NPC1 | 18q11-q12 | 607623 | 607623 |
| NPC2 | NPC INTRACELLULAR CHOLESTEROL TRANSPORTER 2; NPC2 | 14q24.3 | 601015 | 601015 |
| NPM1 | NUCLEOPHOSMIN/NUCLEOPLASMIN FAMILY, MEMBER 1; NPM1 | 5q35.1 | 164040 | 164040 |
| NQO1 | NAD(P)H DEHYDROGENASE, QUINONE 1; NQO1 | 16q22.1 | 125860 | 125860 |
| NR0B1 | NUCLEAR RECEPTOR SUBFAMILY 0, GROUP B, MEMBER 1; NR0B1 | Xp21.2 | 300473 | 300473 |
| NSD1 | NUCLEAR RECEPTOR-BINDING SET DOMAIN PROTEIN 1; NSD1 | 5q35 | 606681 | 606681 |
| NUBPL | NUCLEOTIDE-BINDING PROTEIN-LIKE PROTEIN; NUBPL | 14q12 | 613621 | 613621 |
| NUP153 | NUCLEOPORIN, 153-KD; NUP153 | 6p22.3 | 603948 | 603948 |