Ouachita Baptist University, also known as OBU, is a privately owned institution headquartered in the US. Founded in 1886, it employs approximately 510 individuals. Functioning as a private Baptist university, it is located in Arkadelphia, Arkansas. The university's name is derived from the Ouachita River, which delineates the eastern campus boundary. It maintains affiliations with the Arkansas Baptist State Convention, which itself is a state convention affiliated with the Southern Baptist Convention.