Oklahoma Baptist University (OBU) is a private Baptist university in Shawnee, Oklahoma. It was established in 1910 under the original name of The Baptist University of Oklahoma. OBU is owned and was founded by the Baptist General Convention of Oklahoma.

Shawnee is a city in and the county seat of Pottawatomie County, Oklahoma, United States. The population was 29,857 in 2010, a 4.9 percent increase from the figure of 28,692 in 2000. The city is part of the Oklahoma City-Shawnee Combined Statistical Area and the principal city of the Shawnee Micropolitan Statistical Area.