Olesya Yuryevna Velichko (Russian: Олеся Юрьевна Величко; born May 20, 1981 in Taraz, Kazakhstan) is a modern pentathlete from Russia. She is a multiple-time medalist at the World Championships, and a double champion at the 2001 Junior World Championships.
|Full name||Olesya Yuryevna Velichko|
|Born||20 May 1981|
|Height||1.55 m (5 ft 1 in)|
|Weight||50 kg (110 lb)|