Vladimir Nikolayevich Voltchkov (Belarusian: Уладзімір Мікалаевіч Валчкоў, Uladzimir Mikalayevich Valchkou; Russian: Владимир Николаевич Волчков; born April 7, 1978, in Minsk) is a Belarusian tennis player. Voltchkov reached the semi-finals 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 Olympics games in 2000, also won the Wimbledon juniors competition in 1996. His career high singles ranking was World No. 25.