Sergiy Verigin (March 24, 1868 in Ljubljana, Slovenia – 1938) was a Russian Orthodox converted to Catholicism.
Initially ordained an Orthodox clergyman, in 1907 Verigin changed his religious position united himself to Catholic faith.
From 1910 to 1929 was a priest who celebrated Mass in a Russian Catholic church in Rome and participated as a member of Pro Russia movement, however maintaining pessimistic views in relation to Russian Orthodoxy union with Catholic Church.