Byrnes
Byrnes is a surname. Notable people with the surname include:
- Adam Byrnes (born 1981), Australian lawyer and retired rugby union player
 - Brittany Byrnes (born 1987), Australian actress
 - Burke Byrnes (born 1937), American actor
 - Catherine Byrnes, New Zealand professor of pediatrics
 - Darcy Rose Byrnes (born 1998), American actress
 - Edd Byrnes (1932–2020), American actor
 - Eric Byrnes (born 1976), American baseball player and announcer
 - Erin Byrnes, American politician
 - Esther Byrnes (1867–1946), American biologist and science teacher
 - Garrett Byrnes (born 1971), American composer
 - Gene Byrnes (1889–1974), American comic artist
 - Giselle Byrnes (born 1967), New Zealand historian
 - James Byrnes (sailor) (1838–1882), Irish-American sailor and Union Navy officer in the Civil War
 - James F. Byrnes (1882–1972), American politician
 - Jim Byrnes (actor) (born 1948), American actor and musician
 - Jim Byrnes (baseball) (1880–1941), American baseball player
 - John A. Byrnes (1897–1963), American lawyer, politician, and judge
 - John W. Byrnes (1913–1985), American politician
 - Josephine Byrnes (born 1966), Australian actress
 - Josh Byrnes (born 1970), American baseball executive
 - Josh Byrnes (politician) (born 1974), American politician
 - Kevin P. Byrnes (born 1950), U.S. Army general
 - Leonie Byrnes (1888–1964), Australian school teacher
 - Mark Byrnes (born 1982), Australian soccer player
 - Marty Byrnes (born 1956), American basketball player
 - Michael Byrnes (writer), American writer
 - Michael J. Byrnes (1958–2025), American Roman Catholic bishop
 - Norman Byrnes (botanist) (1922–1998), Australian botanist
 - Norman Byrnes (lawyer) (1922–2009), American lawyer
 - Pam Byrnes (born 1947), American politician
 - Pat Byrnes, American cartoonist
 - Richard Byrnes (1832–1864), Irish-American Union Army officer in the Civil War
 - Rob Byrnes (born 1958), American writer
 - Shannon Byrnes (born 1984), Australian rules footballer
 - Steve Byrnes (1959–2015), American television announcer and producer
 - Syd Byrnes (born 1940), South African cyclist
 - Thomas F. Byrnes (1842–1910), American police officer
 - Thomas Joseph Byrnes (1860–1898), Australian politician; 12th Premier of Queensland
 - Tommy Byrnes (1923–1981), American basketball player
 - Tracy Byrnes (born 1970), American business journalist
 - Tricia Byrnes (born 1974), American snowboarder
 - William Byrnes (1809–1891), Australian politician
 - William B. Byrnes (1906–1989), American politician
 
See also
- Byrnes Mill, Missouri
 - Hale-Byrnes House, Stanton, New Castle County, Delaware
 - Byrnes Cove, Ireland
 - Burns (surname)
 - Byrne
 - Byrns
 - Bryne (disambiguation)