Ioan Olteanu (14 December 1839 – 29 November 1877) was a Romanian Greek Catholic hierarch.
Born in Sintești, Timiș, Banat, Austrian Empire (present day – Romania) in 1839, he was ordained a priest on 5 April 1863.
The principal consecrator was Bishop Iosif Papp-Szilágyi.
[1] He died in Beiuș (present day – Romania) on 29 November 1877.
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