| Navicula viridula var. viridula (Kütz.) Ehrenb., 1836 |
| Navicula vulpina Kütz., 1844 |
| Navicula wawrikae Hust., 1961 |
| Navicula weissflogii A. Schmidt, 1873 |
| Navicula wendlingii Lange-Bert., G. Hofm. & Van de Vijver, 2009 |
| Navicula wiesneri Lange-Bert., 1993 |
| Navicula wildii Lange-Bert., 1993 |
| Navicula yarrensis Grunow, 1876 |
| Navicula zanardiniana Grunow, 1860 |
| Navicula zeta Cleve, 1895 |
| Navicula zeta var. mexicana Cleve, 1895 |
| Navicula zostereti Grunow, 1860 |
| Naviculaceae Kütz., 1844 |
| Naviculadicta Lange-Bert., 1994 |
| Naviculadicta brasiliana (A. Cleve) Metzeltin & Lange-Bert., 1998 |
| Navigeia Bukhtiyarova, 2013 |
| Navigeia decussis (Østrup) Bukhtiyarova, 2013 |
| Navigeia ignota (Krasske) Bukhtiyarova, 2013 |
| Navigeia modica (Hust.) Bukhtiyarova, 2013 |
| Navigeia tagensis (M.H. Novais & Ector) Bukhtiyarova, 2013 |