Theodore H. Epp (January 27, 1907 – October 13, 1985) was an American Protestant Christian clergyman, writer, and radio evangelist.

Epp was the founding director of the Back to the Bible radio broadcast and speaker on the program from 1939–1985.

[1] Epp was born in Oraibi, Arizona, the son of Russian Mennonite immigrants.

Epp received a ThM degree in 1932 from Southwestern Baptist Theological Seminary in Fort Worth, Texas.

[5] The Back to the Bible program he founded was led after his death by Warren W. Wiersbe, later followed by various successors.