Alyaksandr Pawlavich Valadzko, also spelled sometimes as Aleksandr Pavlovich Volodko (Belarusian: Алякса́ндр Па́ўлавіч Валадзько́; Russian: Алекса́ндр Па́влович Володько́; Polish: Aleksander Wołodko; born 18 June 1986) is a Belarusian former professional footballer who played as a midfielder.

Valadzko spent 10 years playing for BATE Borisov as a central defender or defensive midfielder.

He was part of the Belarus U21 national team that participated in the 2009 UEFA European Under-21 Football Championship.

On 19 September 2012, Valadzko opened the scoring and assisted the third goal in BATE's 3–1 away victory over Lille, which was the first Champions League group stage win in the team's history.

[1] Following his strong performances for BATE, he was called up to the senior national team for the first time in October 2012 for two 2014 World Cup qualifiers against Spain and Georgia.