| Puccinia recondita Roberge ex Desm., 1857 |
| Puccinia rosea (Pers.) Corda, 1837 |
| Puccinia rubicunda Holw., 1904 |
| Puccinia rubricans Holw., 1904 |
| Puccinia ruelliae-bourgaei Dietel & Holw., 1901 |
| Puccinia salviicola Dietel & Holw., 1897 |
| Puccinia sanguinolenta Henn., 1896 |
| Puccinia schedonnardi Kellerm. & Swingle, 1888 |
| Puccinia semi-insculpta Arthur, 1905 |
| Puccinia semi-insculpta var. semi-insculpta Arthur, 1905 |
| Puccinia senecionicola Arthur, 1905 |
| Puccinia setariae Dietel & Holw., 1897 |
| Puccinia sherardiana Körn., 1877 |
| Puccinia sierrensis Cummins, 1967 |
| Puccinia smilacis Schwein., 1822 |
| Puccinia sonorae Parmelee, 1969 |
| Puccinia sonorica Cummins & S.M. Husain, 1966 |
| Puccinia sorghi Schwein., 1832 |
| Puccinia sparganioidis Ellis & Barthol., 1896 |
| Puccinia spegazzinii De Toni, 1888 |