is a hamlet in De Witt, Onondaga County, New York, United States, part of the greater Syracuse area.
, written by Jean Schutz Keough, and published in 1976 and 1978 by the Jamesville Historical Book Committee.
Jamesville is the site of the Jamesville Reservoir. The reservoir is in a park that contains a small beach, several short hiking trails and fields. The fields are the site of the annual Jamesville BalloonFest where dozens of hot-air balloons take to the air in one weekend.
Jamesville was formerly served by OnTrack, a commuter rail system that ceased operations in 2007.