Johannes (Jan) Wilhelmus Maria Liesen (born in Oosterhout, North Brabant, Netherlands on 17 September 1960) is a Dutch clergyman and bishop of the Roman Catholic Church, being appointed on November 26, 2011, by Pope Benedict XVI to the Roman Catholic Diocese of Breda.

On June 16, 1984, Liesen was ordained by Bishop of Roermond diocese, Joannes Gijsen, and he was appointed as chaplain in Eygelshoven.

From 1990 to date, Liesen taught exegesis, biblical theology and Hebrew Bible at the major seminary of the Roman Catholic Diocese of Roermond, Rolduc and Kerkrade.

Liesen's predecessor, Hans van den Hende moved to the Roman Catholic Diocese of Rotterdam.

Liesen chose the motto Providebit Deus (God will provide), the only word to Isaac said when Abraham was worried about what was the sacrificial lamb (Genesis 22).