| Navicula minutissima (Kütz.) Grunow, 1860 |
| Navicula molaris Grunow, 1863 |
| Navicula molestiformis Hust., 1949 |
| Navicula monilifera Cleve, 1895 |
| Navicula muscaeformis Grunow, 1875 |
| Navicula mutica Kütz., 1844 |
| Navicula mutica f. goeppertiana Bleisch, 1861 |
| Navicula mutica var. cohnii (Hilse) Grunow, 1880 |
| Navicula neoventricosa Hust., 1966 |
| Navicula nivalis Ehrenb., 1853 |
| Navicula nolens Simonsen, 1959 |
| Navicula oblongella Nägeli ex Kütz., 1849 |
| Navicula obsoleta Hust., 1942 |
| Navicula obtusa (Lagerst.) Hust., 1909 |
| Navicula orbiculata Patrick, 1959 |
| Navicula ostrogothica Cleve-Euler, 1953 |
| Navicula palpebralis Bréb., 1853 |
| Navicula palpebralis var. minor (W. Greg.) Grunow, 1867 |
| Navicula parca A. Schmidt, 1875 |
| Navicula parva (Ehrenb.) Ralfs, 1861 |