Gabriel Cossart SJ (22 November 1615 – 18 September 1674)[1] was a French Jesuit, known as a historian.
He taught rhetoric at the College de Clermont.
He was a librarian there, described as “worldly-wise”, and a promoter of the careers of his students.
[2] As a scholar he collaborated with Philippe Labbe.
He engaged in controversy over Petrus Ramus with François du Monstier.