Gregor Tarkovic (Ukrainian: ???????? ????????; 19 November 1754 – 16 January 1841) was a Slovak Greek Catholic hierarch.
He was the first bishop of the new created Slovak Catholic Eparchy of Prešov from 1818 to 1841.
Born in Pasika, Kingdom of Hungary (present day – Ukraine) in the Ruthenian family in 1754, he was ordained a priest on 1 January 1779 for the Ruthenian Catholic Eparchy of Mukacheve.
He was confirmed as the first Bishop of the new created Eparchy by the Holy See on 2 October 1818.
He was consecrated to the Episcopate on 17 June 1821.
The principal consecrator was Bishop Oleksiy Povchiy.He died in Prešov on 16 January 1841.