South Bristol is a town in Ontario County, New York, United States.

The Town of South Bristol is in the southwestern part of the county.

The South Bristol Grange Hall 1107 and Wilder Cemetery are listed on the National Register of Historic Places.

The eastern town line, marked by Canandaigua Lake, is the border of Yates County.

22.7% of all households were made up of individuals, and 7.2% had someone living alone who was 65 years of age or older.

Parting of the Ways - Local Nickname for the area where Rt.21, Rt.64 meet in S. Bristol.