Viktor Ivanovich Kostyrko (born May 24, 1948) is the mayor of Tiraspol, the capital of the de facto independent Pridnestrovian Moldavian Republic (PMR).
He was born in Komsomolsk-on-Amur [1] and is of Ukrainian ethnicity.
Originally elected in 1999, he has since been re-elected once.
Viktor Kostyrko is a political ally of the PMR's president, Igor Smirnov.