Ivan Stupnytskyi (Ukrainian: Іван Сатурнін Ступницький, Polish: Jan Saturnin Stupnicki; 16 October 1816 – 22 December 1890) was a Ukrainian Greek Catholic hierarch in present-day Ukraine and Poland.

Born in Sukhorichya, Austrian Empire (present day – Lviv Oblast, Ukraine) in the family of judge Andriy and his wife Anastasiya (née Bilyavska) Stupnytskti in 1816.

He was ordained a priest on 9 June 1842 by Bishop Hryhoriy Yakhymovych.

The principal consecrator was Metropolitan Joseph Sembratovych with 3 another co-consecrators.

This article about a Ukrainian Greek Catholic bishop is a stub.