Aleksandr Svyatoslavovich Riabushenko (Belarusian: Аляксандр Святаслававіч Рабушэнка; born 12 October 1995) is a Belarusian cyclist, who currently rides for UCI WorldTeam Astana Qazaqstan Team. In October 2020, he was named in the startlist for the 2020 Vuelta a España.