Jean II de Brosse, also Jehan II de Brosse (1432 – 6 August 1482), was the elder son of Jean I de Brosse, Marshal of France.
[1] He would become chamberlain of the king of France in 1449.
He married Nicole, Countess of Penthièvre, daughter of Charles, Seigneur d'Avaugour and Isabeau de Vivonne.
[2] Nicole later brought him, through inheritance in 1479, the County of Penthièvre in the Duchy of Brittany.
[2] Jean is known to have rebuilt the donjon in Fouras in 1480–1490.