Aleksandr Vladimirovich Mostovoi (Russian: Алекса́ндр Влади́мирович Мостово́й [ɐlʲɪkˈsandr vlɐˈdʲimʲɪrəvʲɪtɕ məstɐˈvoj]; born 22 August 1968) is a Russian former professional footballer who played as an attacking midfielder.
Known as O Zar de Balaídos ("The Tsar of Balaídos") from his lengthy spell at Celta de Vigo, he was often referred to as a 'genius playmaker' during his time there, in addition to a volatile temperament. He also played professionally in his own country, Portugal and France.
Mostovoi earned 50 caps for Russia in a 12-year international career, being chosen for two World Cups and as many European Championships. He previously represented the Soviet Union and the CIS.
