Oklahoma State Highway 43

State Highway 43 marker
State Highway 43
Route information
Maintained by ODOT
Length65.6 mi (105.6 km)
Major junctions
West end US 75 / SH-3 in Coalgate
Major intersections
East end SH-2 north of Clayton
Location
CountryUnited States
StateOklahoma
Highway system
  • Oklahoma State Highway System
SH-42 I-44

State Highway 43 (SH-43 or OK-43) is a state highway in Oklahoma, United States. It runs 65.3 miles west-to-east through Coal, Atoka, Pushmataha and Pittsburg counties.