Caldecott is a surname. Notable people with the surname include:
Andrew Caldecott, British colonial administrator
Andy Caldecott, Australian racing driver
Ben Caldecott, British environmentalist
John Caldecott (1800–1849), English astronomer
Moyra Caldecott, British author
Randolph Caldecott, British artist
Thomas E. Caldecott, former mayor of Berkeley, California
Todd Caldecott, clinical herbalist and Ayurvedic practitioner
William Shaw Caldecott (b. 1839), American author
