Harold O. J. Brown

Harold O. J. Brown (July 6, 1933 - July 8, 2007) was a theologian, professor, activist, and author in the United States. He was a professor of theology at Reformed Theological Seminary (RTS) in Charlotte, North Carolina.

He was born in Tampa. An evangelical Christian he was part of a pan-Christian movement that developed in the wake of the 1960s counter culture. He cofounded the Christian Action Council which established crisis pregnancy centers.

He completed his Master of Sacred Theology at Harvard University in 1959, with a thesis on the topic of Joachim of Floris and the Third Age in History. He completed his Doctor of Philosophy, also at Harvard University, in 1967 with a dissertation on the topic of John Łaski: a theological biography, a Polish contribution to the Protestant reformation under the supervision of George Huntston Williams and Wiktor Weintraub.

A lecture series at RTS is named for him.