Cornelius Thielmans

Cornelius Thielmans (c. 1570–1634) was a Franciscan hagiographer from the Habsburg Netherlands.

Thielmans was born in Brussels around 1570. He joined the Cologne province of the Franciscan order, and served as guardian of houses in 's-Hertogenbosch and Aachen, as definitor in Cologne, and as spiritual director to the Annunciate convent in Antwerp. He died in Tongeren in 1634.

• Cort verhael der Heylighen van S. Franciscus Oirden, met haer levende figuren ('s-Hertogenbosch, Jan Scheffer, 1606) – dedicated to Anthonie Schetz de Grobbendoncq
• D'Leven vande H. Maghet Clara (Antwerp, Pauwels Stroobant, 1616)
• translation: Bonaventure, Verscheyde opuscula (1627)
• translation: Joannes Busaeus, Den schadt der meditatien op allen de Evangelien vande Sondaghen ende Heylighe-daghen vanden gheheelen Jaere (Antwerp, Willem Lesteens, 1628)
• Seraphische historie van het leven des alderheylichste vader S. Francisci van Assysien (Leuven, Cornelis Coenesteyn and Joan Oliviers, 1628)