Fabius is a village in Onondaga County, New York, United States.

The village is within the former Central New York Military Tract and was originally called "Franklinville."

[3] According to the United States Census Bureau, the village has a total area of 0.4 square mile (1.0 km2), all land.

The racial makeup of the village was 98.03% White, 1.41% Native American, 0.28% Asian, and 0.28% from two or more races.

22.0% of all households were made up of individuals, and 7.9% had someone living alone who was 65 years of age or older.