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
See also List of state highways in Utah List of highways numbered 129