Downes (Irish : Ó Dubháin ), is a surname of Irish and English origin, and may refer to:
Aaron Downes (born 1985), Australian footballer
Aidan Downes (born 1988), Irish footballer
Alexander Downes (1868– 1950), Australian-born rugby player and cricketer who relocated to New Zealand
Andrew Downes (scholar) (c. 1549– 1628), English classical scholar
Andrew Downes (composer) (1950–2023), British classical composer
Arthur Downes (1883– 1956), Scottish sailor who competed at the 1908 Summer Olympics
Arthur Downes (police officer) (1895– 1984), British-born New Zealand soldier, clerk, salesman and policeman
Austin Downes (active 1930– 31), American football player at the University of Georgia
Bessie Downes (1860–1920) Elizabeth (Bessie) Downes, botanical artist, Southport, UK
Bob Downes (born 1937), English avant-garde jazz flautist and saxophonist
Bobby Downes (footballer) (born 1949), English footballer
Bobby Downes (film producer) (born before 1983), American movie producer, elder brother of Kevin Downes
Disappearance of Charlene Downes (1989–2003), English suspected murder victim
Danny Downes (born 1986), American mixed martial artist
David Downes (disambiguation) , multiple people
Doris Downes (born 1961), American botanical artist, painter of natural history, and writer
Edward Downes (1911– 2001), American musicologist, critic and quizmaster for the Metropolitan Opera
Sir Edward Downes (1924– 2009), British conductor
Flynn Downes (born 1999), English footballer
Francis Downes (1606– 48), English politician
Fred Downes (1855– 1917), Australian politician
Garry Downes (born 1944), Australian judge
Geoff Downes (born 1952), English rock songwriter, record producer, and musician
Henry Downes (disambiguation) , multiple people (including Harry)
John Downes (disambiguation) , multiple people
Johnny Haddon Downes (1920– 2004), English Royal Air Force flyer and television producer
Joseph M. Downes (before 1946 – 1993), American politician in Massachusetts
Julia Downes (born before 1982), songwriter, musician and producer
Katie Downes (born 1984), English glamour model
Kerry Downes (1930–2019), English architectural historian, son of Ralph Downes
Kevin Downes (born 1972), American actor, writer, producer and director, younger brother of Bobby Barnes
Kevin Downes (hurler) (born 1991), Irish hurler
Kit Downes (born before 2007), British jazz pianist
Kyle Downes (born 1983), Canadian-American actor
Lara Downes , American classical pianist and cultural activist
Downes.
Larry Downes (born before 1998), American internet industry analyst and author on business strategies and information technology
Lawrence Downes (born before 1986), American journalist
Lorraine Downes (born 1964), New Zealand dancer and beauty queen
Major Downes (1834– 1923), British army officer
Mark Downes (born 1974), English cricketer
Melissa Downes (born 1971), Australian broadcast journalist
Mike Downes (born 1979), American telecom entrepreneur and iconic world traveler
Miranda Downes (died 1985), Australian screenwriter
Olin Downes (1886– 1955), American classical music critic
P. G. Downes (AKA Spike Downes, 1909– 59), American school teacher, author and explorer
Paul Downes (born before 1968), English folk guitarist, singer and composer
Percy Downes (1905– 89), English footballer
Rackstraw Downes (born 1939), British-born realist painter and author
Ralph Downes (1904– 93), English organist, father of Kerry Downes
Rebecca Downes , English blues rock singer, guitarist, songwriter and vocal coach
Richard Downes (journalist) (active from 1985), Irish broadcaster and journalist
Robin Atkin Downes (born 1978), English screen and voice actor
Roger Downes (before 1601 – 1638), English lawyer and politician
Rupert Downes (1885– 1945), Australian soldier, general, surgeon and historian
Sean Downes ( 1962–1984), Irish republican and plastic bullet victim
Stephen Downes (disambiguation) , multiple people (including Steve and Steven)
Terry Downes (1936–2017), British professional boxer
Thomas William Downes (1868– 1938), New Zealand historian, ethnologist and river works supervisor
Tony Downes (active 2012), British academic lawyer
Tyrone Downes (born 1957), Barbadian professional boxer
Wally Downes (born 1961), English football player, manager and coach
Willard A. Downes (1908– 2000), American artist and illustrator
William Downes (disambiguation) , multiple people