Oleg Nikolayevich Kechko (???? ?????????? ?????, born (1967-08-28)28 August 1967 in Minsk) is a Belarusian male weightlifter, competing in the 77 kg category and representing Belarus at international competitions.
He participated at the 1996 Summer Olympics in the 76 kg event.
He competed at world championships, most recently at the 1998 World Weightlifting Championships.