Andriy (Andrei) Medvedev (Ukrainian: Андрій Медведєв, born 31 August 1974 in Kiev), is a former professional tennis player from Ukraine. Medvedev made a splash on the international tennis scene when, as a 17-year-old, he won titles in Genoa and Stuttgart. His most successful tournament was the Hamburg Masters (formerly the German Open), which he won three times. He reached a career-high singles ranking of World No. 4.