Henri Paul René Ceuppens (8 January 1923 – 7 October 2012), who wrote under the pseudonym Ivo Michiels, was a Belgian writer.

During World War II he was employed as a nurse in a hospital in Lübeck in Germany.

From 1959 until 1983 he was editor, and editorial secretary of the Nieuw Vlaams Tijdschrift.

From 1966 up to 1978 he also taught at the Hoger Rijksinstituut voor Toneel- en Cultuurspreiding in Brussels.

In 1979, he established himself as a full-time writer in the Vaucluse (France).