Olesya (Ukrainian: Олеся), (Russian: Олеся), may also be spelt Olessia, is a feminine given name. Notable people with the name include:
Olesya Aliyeva (b. 1977), Russian alpine skier
Olesya Babushkina (b. 1989), Belarusian gymnast
Olesya Bakunova (b. 1980), Belarusian sprint canoer
Olesya Barel (b. 1960), Russian basketball player
Olesya Belugina (b. 1984), Russian gymnast
Olesya Chumakova (b. 1981), Russian middle distance runner
Olesya Dudnik (b. 1974), Ukrainian gymnast and coach
Olesya Forsheva (b. 1979), Russian athlete
Olesya Hudyma (b. 1980), Ukrainian artist, poet and journalist
Olesya Kurochkina (b. 1983), Russian football player
Olesya Mashina (b. 1987), Russian footballer
Olesya Nurgalieva (b. 1976), Russian ultramarathon runner
Olesya Povh (b. 1987), Ukrainian sprinter
Olesya Rostovskaya (b. 1975), Russian composer and organist
Olesya Rulin (b. 1986), Russian-American actress
Olesya Stefanko (b. 1988), Ukrainian beauty pageant winner
Olesya Syreva (b. 1983), Russian athlete
Olesya Velichko (b. 1981), Russian modern pentathlete
Olesya Vladykina (b. 1988), Russian Paralympic swimmer
Olesya Truntaeva (b. 1980), Russian footballer
Olesya Zabara (b. 1982), Russian triple jumper
Olesya Zamula (b. 1984), Azerbaijani wrestler
Olesya Zykina (b. 1980), Russian athlete
