| Named By: | N. B. Tindale in 1985 |
| Time Period: | Late Eocene |
| Location: | USA, Colorado - Florissant Formation |
| Size: | Forewings about 16.4 millimetres long and 9.4 millimetres wide |
| Diet: | Uncertain/herbivore? In larval stage/nectar drinker? when adult |
| Fossil(s): | Fore wings |
| Classification: | | Arthropoda | Insecta | Lepidoptera | Castniidae | |
Dominickus is an extinct genus of moth in the butterfly-moth family Castniidae containing a single species Dominickus castnioides. The species is known from late Eocene, Priabonian stage, lake deposits near the small community of Guffey in Teller County, Colorado, United States.