Maginnes is a surname. Notable people with the surname include:
Al Maginnes (1897–1966), football player and lawyer Dave Maginnes (1893–1981), American football player John Maginnes (born 1968), American golfer Nancy Maginnes, later known as Nancy Kissinger (1934–2026), American philanthropist and political aide, wife of U.S. Secretary of State Henry Kissinger
See also Maginness, another surname Magin, given name and surname