Jeanne of Hainault

Jeanne (or Johanna) of Hainault (1323 – December 1350) was a daughter of John of Beaumont, lord of Beaumont and Margaret of Soissons. She succeeded her mother in 1344 as Countess of Soissons.

Jeanne first married Louis II, Count of Blois. Together they had three sons, Louis III, John II and Guy II, all of whom would succeed as Count of Blois. Louis II died in 1346 and Jeanne remarried to William I, Marquis of Namur. They had no children.

She died in 1350 from the Black Death.