Jacqueline (; ; 15 July 1401 – 8 October 1436), was a Duchess of Bavaria-Straubing, Countess of Holland and Zeeland and Countess of Hainaut from 1417 to 1433. She was also Dauphine of France for a short time between 1415 and 1417 and Duchess of Gloucester in the 1420s, if her marriage to Humphrey, Duke of Gloucester, is accepted as valid.