State Highway 137 (SH-137) is a 6.31-mile (10.15 km) highway in Ottawa County, Oklahoma. It is a two-lane highway beginning at State Highway 10 east of Miami and ends at U.S. Highway 60 in Twin Bridges State Park on the north side of the Grand Lake o' the Cherokees. It has no lettered spur routes. SH-137 was established circa 1957. The highway's northern terminus was formerly US-69 Alternate in Quapaw, but the portion of highway from SH-10 to US-69 Alternate has since been removed from the state highway system.