| Polypodium fasciale Willd., 1810 |
| Polypodium faucium Liebm., 1849 |
| Polypodium fawcettii Baker, 1889 |
| Polypodium feei E. Fourn., 1872 |
| Polypodium ferrugineum M. Martens & Galeotti, 1842 |
| Polypodium filix-mas L., 1753 |
| Polypodium firmulum Maxon, 1903 |
| Polypodium firmum Klotzsch, 1847 |
| Polypodium fissidens Maxon, 1903 |
| Polypodium flabelliforme Poir., 1804 |
| Polypodium fragile L., 1753 |
| Polypodium fraternum Schltdl. & Cham., 1830 |
| Polypodium fraxinifolium Jacq., 1789 |
| Polypodium fulvum M. Martens & Galeotti, 1842 |
| Polypodium furfuraceum Schltdl. & Cham., 1830 |
| Polypodium furfuraceum var. coronulatum E. Fourn., 1872 |
| Polypodium furfuraceum var. rufum E. Fourn., 1872 |
| Polypodium fuscopetiolatum A.R. Sm., 1980 |
| Polypodium galeottii M. Martens, 1842 |
| Polypodium ghiesbreghtii D.C. Eaton, 1873 |