Osip Ivanovich Senkovsky (Russian: О́сип Ива́нович Сенко́вский), born Józef Julian Sękowski (31 March [O.S. 19 March] 1800 in Antagonka, near Vilnius – 16 March [O.S. 4 March] 1858 in Saint Petersburg), was a Polish-Russian orientalist, journalist, and entertainer.