| Named By: | A. V. Lopatin, E. N. Maschenko & A. O. Averianov in 2010 |
| Time Period: | Lower Cretaceous |
| Location: | Russia - Ilek Formation |
| Size: | Unavailable |
| Diet: | Insectivore |
| Fossil(s): | Partial remains |
| Classification: | | Chordata | Mammalia | Eutriconodonta | Amphidontidae | |
Acinacodus is an extinct genus of amphidontid "eutriconodont" which existed in Shestakovo 1 locality in Western Siberia, Russia during the early Cretaceous period. It was described by A. V. Lopatin, E. N. Maschenko and A. O. Averianov in 2010, and the type species is Acinacodus tagaricus.