Denny

• Denny baronets, three titles, including lists of titleholders
• Anthony Denny, advisor to Henry VIII of England
• Arthur A. Denny of the Denny Party, Seattle-area settler
• Bill Denny (William Joseph Denny, 1872–1946), South Australian politician
• Bob Denny, American robotic telescopes software developer
• Charles R. Denny, American lawyer, government official, and executive
• Collins Denny (1854–1943), American bishop of the Methodist Episcopal Church, South
• Collins Denny Jr. (1899–1964), American pro-segregationist lawyer.
• David Denny, Seattle founder
• Ebenezer Denny, American mayor
• Gideon Jacques Denny (1830–1886), American marine artist
• Harmar Denny, US Congressman
• Harmar D. Denny Jr., US Congressman
• Harold Denny, American war correspondent
• Jack Denny (1895–1950), American dancer
• James C. Denny, American politician
• Jay Denny, American soccer player
• Jerry Denny (1859–1927), American baseball player
• Joanna Denny, historian
• John Denny, American baseball player
• John Denny (politician) (1793–1875), American politician
• Mark Denny, American biologist
• Martin Denny (1911–2005), American musician
• Peter Denny (1821–1895), Scottish shipbuilder and shipowner
• Rev. Peter Denny (1917–2009), English railway modeller
• Raymond Denny (born 1963), American cricketer
• Reginald Leigh Denny (1891–1967), British-born actor
• Reginald Oliver Denny, American attacked on live TV
• Ross Denny (born 1955), British diplomat and ambassador
• Sandy Denny, British singer and songwriter
• Simon Denny, New Zealand artist
• Simone Denny, Canadian singer
• T. A. Denny, Irish businessman
• Tyler Denny (born 1991), English professional boxer
• Wally Denny, Deputy Chief Scout of the Boy Scouts of Canada
• William Denny (disambiguation) several persons, including:

• William Denny (MP) (1578–1625), English lawyer and politician
• William Denny Jr. (born 1930), American politician in the Mississippi House of Representatives
• William Denny and Brothers, British shipbuilder based in Dumbarton, Scotland
• William F. Denny (c. 1860–1908), American vaudeville performer and pioneer recording artist
• William H. P. Denny (1811–1890), American journalist and politician in Ohio

Dennie

• Alphonso Dennie (1928–2020), Vincentian educator
• Charles Clayton Dennie (1883–1971), American dermatologist
• Frank Dennie (1885–1952), American football player, coach, and administrator
• Joseph Dennie (1768–1812), American author and journalist
• Tom Dennie (1922–2009), Canadian cross-country skier