Weldon is a surname, and may refer to:
A Alex Weldon (1914–2004) was an American visual effects artist Andrew Weldon, Australian cartoonist Anthony Weldon (1583–1648), English courtier and politician
B Bodie Weldon (1895–1928), American football player
C Charles Wesley Weldon (1830–1896), Canadian lawyer and politician Caroline Weldon (1844–1921), Swiss-American artist and activist Casey Weldon (born 1969), American football player Casey Weldon (artist), American artist Casey Bill Weldon (1901/1909–1972), American blues musician Charles Weldon (1940–2018), American actor and director Christopher Joseph Weldon (1905–1982), American Roman Catholic bishop Constance Weldon (1932–2020), American tuba player Curt Weldon (born 1947), American Congressman
D Dave Weldon (born 1953), American Congressman Duncan Weldon (journalist) (born 1982), British journalist Duncan Weldon (producer) (1941–2019), British theatre producer
E Edward Weldon (1936–2022), American archivist and government administrator
F Fay Weldon (1931–2023), British writer Felix de Weldon (1907–2003), American sculptor Florence Weldon (1858–1936), English mathematician Francis Weldon (1913–1993), British equestrian and Olympic champion Frank Weldon (c. 1900–1970), American songwriter
G George Weldon (1908–1963), English conductor George Weldon (Deputy Governor of Bombay) (died 1697), English merchant and Deputy Governor of Bombay George and Thomas Weldon, duo, builders in Mississippi Georgina Weldon (1837–1914), British campaigner against the lunacy laws Glen Weldon, American writer and podcaster
H Harry Weldon (comedian) (1881–1930), English comedian and music hall performer
J Jerry Weldon (born 1957), American tenor saxophonist Jimmy Weldon (1923–2023), American voice actor and television host Jo Weldon (born 1962), American performer Joe Weldon (1922–2007), Australian rules footballer Joan Weldon (1930–2021), American actress and singer John Weldon (animator) (born 1945), Canadian animator John Weldon (musician) (1676–1736), British musician John Wesley Weldon (died 1885), lawyer, judge and political figure in the province of New Brunswick, Canada
K Kevin Weldon (1933–2023), Australian book publisher and philanthropist
L Larry Weldon (1915–1990), American football quarterback Lawrence Weldon (1829–1905), American politician and judge Liam Weldon (1933–1995), Irish folk singer and songwriter L. D. Weldon (1908–1989), American track and field coach
M Marcus Weldon (born 1968), President of Bell Labs Mark Weldon (born 1967), New Zealand CEO and swimmer Maxine Weldon, American soul and jazz singer Michael Weldon (born 1945), Australian politician Michael Weldon (cricketer) (born 1997), South African cricketer Michele Weldon (born 1958), American journalism academic
O Othmar Weldon (1920–2008), Australian Marist brother
P Paul Weldon, Canadian graphic designer and architect
R Ralph Weldon (died 1676), English politician Ralph Weldon (Benedictine) (1674–1713), English Benedictine monk and chronicler Raphael Weldon (1860–1906), British statistician Richard B. Weldon Jr. (born 1958), American politician Richard Chapman Weldon (1849–1925), Canadian law professor Richard L. Weldon (1932–2020), Canadian politician Robbi Weldon (born 1975), Canadian paralympic Nordic skier and para-cyclist Ryan Weldon, American politician
S S. Laurel Weldon, Canadian and American political scientist Stewart Weldon (born 1977), American serial killer Susanna Haliburton Weldon (1817–1899), Canadian artist and ceramics collector
T Thomas Weldon (politician) (died 1567), English politician and courtier Thomas Dewar Weldon (1896–1958), British philosopher Thomas King Weldon (1826–1894), New Zealand police officer Tony Weldon (1900–1953), Scottish footballer Tracey Weldon, American linguist
V Vince Weldon, American aerospace engineer Virginia V. Weldon (1935–2024), Canadian-American endocrinologist
W Walter Weldon (1832–1885), British chemist, developer of the Weldon process in chlorine manufacture William Weldon (officer of arms) (1837–1919), British officer at arms William C. Weldon (born 1948), American businessman, CEO of Johnson & Johnson
Y Yvonne Weldon, Australian local government politician
See also Welldon Wheldon Welton (surname)