Renaat Julien Landuyt (born 28 January 1959) is a Belgian socialist politician. He is a member of the SP.A. Renaat Landuyt became a licentiate in law in 1982 and has been an attorney since then. He was first elected to the Belgian House of Representatives in 1991, where he served until 1999. From 1995 to 1999 he served as a quaestor of the House. He served as secretary of the parliamentary investigation into the Dutroux Affair. He was mayor of Bruges from 2013 to 2019.