Sergei Vladimirovich Loznitsa (Belarusian: Сяргей Уладзіміравіч Лазніца, Ukrainian: Сергій Володимирович Лозниця, Russian: Сергей Владимирович Лозница; born 5 September, 1964; Baranovichi, Brest Voblast) is a Ukrainian director of Belarusian origin known for his documentary as well as dramatic films.