Gagarin (; masculine) or Gagarina (; feminine, or masculine genitive) is the name of several inhabited localities in Russia.
Urban localities Gagarin, Smolensk Oblast, a town in Gagarinsky District of Smolensk Oblast
Rural localities Gagarin, Vologda Oblast, a pochinok in Terebayevsky Selsoviet of Nikolsky District in Vologda Oblast Gagarina, Krasnoyarsk Krai, a settlement in Petropavlovsky Selsoviet of Abansky District in Krasnoyarsk Krai Gagarina, Tyumen Oblast, a village in Berdyuzhsky Rural Okrug of Berdyuzhsky District in Tyumen Oblast