Johannes Østtveit (18 January 1927 – 9 July 2013) was a Norwegian politician for the Christian Democratic Party.
He was born in Sauherad.
He was elected to the Norwegian Parliament from Telemark in 1965, and was re-elected on one occasion.
Østtveit was involved in local politics in Bø municipality between 1959 and 1975.
This article about a Norwegian politician born in the 1920s is a stub.