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

People[edit]

• Darius Guppy, public school fraudster
• Eileen Guppy (1903–1980), British geologist
• Henry B. Guppy (1854–1926), British botanist
• Henry Guppy (librarian) (1861–1948), British librarian
• John Guppy (1874–1937), fisherman, farmer and political figure in Newfoundland
• Lechmere Guppy (1836–1916), British naturalist; discoverer and namesake of the fish
• Sarah Guppy (1770–1852), British inventor
• Shusha Guppy (1935–2008), author, editor, singer and filmmaker
• Steve Guppy (born 1969), English retired footballer

Fictional characters[edit]

• Mr (William) Guppy, from the novel Bleak House