| Copecrypta nitens (Wiedemann, 1830) |
| Copecrypta nitidifrons Wulp, 1888 |
| Copecrypta ruficauda (Wulp, 1867) |
| Copecrypta saginata (Walker, 1861) |
| Cordylidexia Giglio-Tos, 1894 |
| Cordyligaster Macquart, 1843 |
| Cordyligaster minuscula Wulp, 1891 |
| Cowania Reinhard, 1952 |
| Cowania wheeleri Reinhard, 1952 |
| Crocinosoma Reinhard, 1947 |
| Crocinosoma cornuale Reinhard, 1947 |
| Crocuta Meigen, 1800 |
| Cryptomeigenia Brauer & Bergenstamm, 1891 |
| Cryptomeigenia elegans (Wulp, 1890) |
| Cryptopalpus Rondani, 1850 |
| Cryptopalpus harpezus (Reinhard, 1952) |
| Cryptopalpus ornatus (Macquart, 1843) |
| Cubaemyia Townsend, 1931 |
| Cuphocerini Townsend, 1936 |
| Cuphoceromyia Blanchard, E. E., 1943 |