Yvonne Henriette Julie Bezard (8 December 1893 – 30 March 1939), was a French archivist and historian who worked at the National Archives of France.

After studying at the Sorbonne she presented research about the history of Versailles and her family ties to the city.

For Lettres du président de Brosses, Bezard received a Prix d'Académie from the Académie Française; for Vie Rurale, the Académie des inscriptions et belles-lettres gave her one of its most sought-after awards, the first medal of the Antiquités Nationales.

In Switzerland she also researched the "erudite and witty" President of the Dijon Parliament, Charles de Brosses.

[3] She was known to send personal notes to those close to her, one of which included this excerpt: “The best thing about life ... you can't be happy alone, even in success.