| Named By: | Andrzej Elzanowski & Peter Wellnhofer in 1992 | 
| Time Period: | Late Cretaceous, 75 Ma | 
| Location: | Mongolia - Djadokhta Formation | 
| Size: | Total size unknown due to lack of remains. Skull roughly estimated to be about 5 centimetres long | 
| Diet: | Carnivore | 
| Fossil(s): | Skull and lower jaw fragments of a possibly juvenile individual | 
| Classification: | | Chordata | Reptilia | Dinosauria | Saurischia | Theropoda | Coelurosauria | Troodontidae | | 
Archaeornithoides is a genus of maniraptoriform theropod dinosaur of the Late Cretaceous of Mongolia.