Kidder is a surname. Notable people with the surname include:
Alfred V. Kidder (1885–1963), American archaeologist
Daniel Parish Kidder (1815–92), American theologian
Edward Kidder (1665/66–1739), 18th century pastry cook
Frederic Kidder (1804–85), American author
Hugh Kidder (1897–1918), officer in the United States Marine Corps during World War I
Janet Kidder (born 1972), Canadian actress
Jefferson P. Kidder (1815–1883), 19th century American lawyer, jurist and politician
Kathryn Kidder (1868–1930), American actress
Margot Kidder (born 1948), Canadian (now American) actress
Ray Kidder, American physicist and nuclear weapons designer
Rushworth Kidder (1944–2012), founder of the Institute for Global Ethics
Sarah Kidder (c.1839-1933), first female railroad president in the world
Tracy Kidder (born 1945), American author
