Philipp Adam Christoph Vielhauer (Bali, Cameroon 3 December 1914- Bonn 23 December 1977) was a German Lutheran pastor, and scholar of early Christianity and the New Testament Apocrypha.
He is notable for having been the first German scholar to recognise quotes of Pauline epistles in the Book of Acts.
(later Dr.) Gustav Adolf and April Vielhauer, a missionary couple of the Basel Mission.
Adolf Vielhauer had already been resident in Cameroon for 20 years.
As someone who had already participated in the Bekennende Kirche movement at University, as a pastor he refused to sign a document supporting the Nazi regime in 1937 and lost his stipend at Baden.