Caillard is a surname of French origin. Notable people with the surname include:
*
Marc-Aurèle Caillard (born 1994), French footballer
*
Philippe Caillard (born 1924), French choral conductor, professor of music etc.
*
Stéphane Caillard (born 1988), French actress and comedienne
* Sir
Vincent Caillard (financier) (1856–1930), British army officer, financier and alderman
* Lieutenant Colonel
Felix Digby Caillard MC, Bar (1894-1955), British Army Officer
* Air Vice Marshal
Hugh Anthony Caillard, CB RAF (1927-2022), Royal Airforce officer and aviator
*
Hugh Andrew Caillard MW (born 1959), Master of Wine and Australian wine expert
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