Operation Y and Shurik's Other Adventures (Russian: Операция «Ы» и другие приключения Шурика, romanized: Operatsiya «Yery» i drugiye priklyucheniya Shurika) is a 1965 Soviet slapstick comedy film directed by Leonid Gaidai, starring Aleksandr Demyanenko, Natalya Seleznyova, Yuri Nikulin, Georgy Vitsin and Yevgeny Morgunov. The film consists of three independent parts: "Workmate" (Напарник, Naparnik), "Déjà vu" (Наваждение, Navazhdeniye) and "Operation Y" (Операция «Ы»). The plot follows the adventures of Shurik, the naive and nerdy Soviet student who often gets into ludicrous situations, but always finds a way out very neatly.

It was a hit movie and became the leader of Soviet film distribution in 1965.