Colby (surname)

Colby is a surname. Notable people with the surname include:

• Anita Colby (1914–1972), actress
• Anthony Colby (1792–1873), Governor of New Hampshire
• Bainbridge Colby (1869–1950)
• Barbara Colby (1940–1975), actress
• C.B. Colby (1904-1977) American author
• Charles Carroll Colby (1827–1907), Canadian politician
• Danielle Colby (born 1975), burlesque dancer, fashion designer and American reality television personality
• Everett Colby, New Jersey state Senator
• Flick Colby (1946-2011), dancer in the British troupe Pan's People
• Frank Moore Colby (1865–1925), educator and writer
• Gerard Colby, author
• Jamie Colby, TV presenter
• John Colby (1787–1813), preacher
• Thomas Frederick Colby (1784–1852), geographer
• William Colby (1920–1996), Director of the CIA
• William Edward Colby (1865–1974), first Secretary of the Sierra Club