| Croton prunifolius Vahl, 1807 |
| Croton pseudochina Schltdl. & Cham., 1830 |
| Croton pseudoglabellus Lundell, 1940 |
| Croton pseudoniveus Lundell, 1940 |
| Croton pseudoxalapensis Croizat, 1940 |
| Croton pseudoxalapensis var. cobanensis Croizat, 1940 |
| Croton pulcher Müll. Arg., 1866 |
| Croton pulcherrimus Willd. ex Schltdl., 1831 |
| Croton punctatus Jacq., 1787 |
| Croton purpusii Brandegee, 1915 |
| Croton pyramidalis Donn. Sm., 1903 |
| Croton pyriticus Croizat, 1945 |
| Croton quercetorum Croizat, 1942 |
| Croton ramillatus Croizat, 1945 |
| Croton ramillatus var. insignilobus Croizat, 1945 |
| Croton reflexifolius Kunth, 1817 |
| Croton repens Schltdl., 1847 |
| Croton rigidus (Müll. Arg.) Britton, 1924 |
| Croton riparius Kunth, 1817 |
| Croton rivinifolius Kunth, 1817 |