Vladimir Nikolayevich Voltchkov (Belarusian: ????????? ?????????? ???????, Uladzimir Mikalajevic Valckou; Russian: ???????? ?????????? ???????; born April 7, 1978) is a Belarusian former professional tennis player.
Voltchkov reached the semifinals at the 2000 Wimbledon Championships, where, as a qualifier, he lost to Pete Sampras in straight sets.
He represented Belarus in both the Davis Cup and the Olympic Games in 2000, also won the Wimbledon juniors competition in 1996.