Lukáš Poživil (born September 12, 1982) is a Czech former professional ice hockey defenceman. Poživil played in the Czech Extraliga for HC Litvínov, HC České Budějovice, HC Kladno and HC Plzeň. He also played one game for HC Fribourg-Gottéron during the 2005–06 Nationalliga A season. His younger brother Ondřej Poživil is also a professional ice hockey player.