Theo Kelchtermans (born 27 June 1943 in Peer, Belgium) is a Belgian politician.
In the time from December 1981 to May 1995, he served a dual mandate that allowed him to also sit on the Flemish Council.
In 1988, he was community Minister for Employment, Education and the Civil Service in the third term government of Gaston Geens.
From 1988 to 1992, he was regional minister for Public Works, Transport and Planning in the fourth term government under Geens.
From 1992 to 1995, he was regional minister of Public Works, Planning and Home Affairs in the second term of Luc Van den Brande.