Utah State Route 129 (disambiguation)

Utah State Route 129 may refer to:


 * Utah State Route 129 (1931-1933), a former state highway from Moab to Castleton
 * Utah State Route 129 (1933-1969), a former state highway near Milford
 * Utah State Route 129 (1983-1989), a former state highway in Box Elder County
 * Utah State Route 129, the modern route in Utah County