The present invention provides compounds useful as inhibitors of Acetyl CoA Carboxylase (ACC), compositions thereof, and methods of using the same. Specifically, bicyclic heteroaryl derivatives containing a imidazole, thiazole or oxazole fused to a pyridinone, pyrimidinone or pyrimidindione are provided. These compounds have therapeutic utility toward treating an ACC enzyme mediated disorder such as obesity in a subject, upon administration in an effective amount to said subject.