| Nevroloma Raf., 1819 |
| Nevskiella Kreczetowicz & Vvdensky, 1934 |
| Neyraudia Hook. f., 1897 |
| Neyraudia reynaudiana (Kunth) Keng ex Hitchc., 1934 |
| Nivieria Ser., 1842 |
| Nothoholcus Nash, 1913 |
| Notholcus Nash ex Hitchc., 1912 |
| Notonema Raf., 1830 |
| Notonema agrostoides Raf. ex Merr., 1949 |
| Notonema arachnoides Raf. ex B.D. Jacks., 1894 |
| Nowodworskya J. Presl, 1830 |
| Nowodworskya agrostoides J. Presl, 1830 |
| Nowodworskya semiverticillata (Forssk.) Nevski, 1937 |
| Nowodworskya verticillata (Vill.) Nevski, 1937 |
| Nudicaule Hitchc. & Chase, 1910 |
| Nudicaulia Hitchc., 1915 |
| Ocellochloa Zuloaga & Morrone, 2009 |
| Ocellochloa biglandularis (Scribn. & J.G. Sm.) Zuloaga & Morrone, 2009 |
| Ocellochloa craterifera (Sohns) Zuloaga & Morrone, 2009 |
| Ocellochloa pulchella (Raddi) Zuloaga & Morrone, 2009 |