Avon is a town in Livingston County, New York, United States. It is south of Rochester. The town population was 7,146 at the 2010 census. The town was named after the River Avon in England. The village of Avon is in the northwest part of the town.

New York State Route 15 (NY 15) is a north–south state highway located in western New York in the United States. The southern terminus of the route is officially at Interstate 390 (I-390) exit 3 south of the village of Wayland, although some signage indicating that NY 15 continues south to the northern terminus of U.S. Route 15 (US 15) in Painted Post still exists. The northern terminus of NY 15 is at an intersection with NY 31 in downtown Rochester. Outside of Monroe County, NY 15 is a rural two-lane highway. In the Rochester suburbs of Henrietta and Brighton, however, NY 15 is a major commercial strip, and the section in Rochester is a two-to-four lane street that serves commercial and residential areas.