A •
Adam Cleghorn Welch (1864–1943), Scottish clergyman •
Adonijah Welch (1821–1889), American politician •
Ailsa A. Welch, English epidemiologist •
Alan Welch (1910–1980), Australian rules footballer •
Alexander Welch (1873–1962), Canadian politician •
Alexander McMillan Welch (1869–1943), American architect •
Alford Welch, American professor •
Amy Welch (born 1985), English journalist •
Andrew Welch (disambiguation), multiple people •
Ann Welch (1917–2002), English pilot •
Anthony Cleland Welch (born 1945), British military officer •
Archibald Welch (1794–1853), American politician and physician from Connecticut •
Aristides Welch (1811–1890), American racehorse breeder •
Art Welch (born 1944), Jamaican soccer player •
Ashbel Welch (1809–1882), American civil engineer •
Asher Welch (born 1944), Jamaican soccer player
B •
Benjamin Welch (1818–1863), American politician •
Bernard Lewis Welch (1911–1989), British statistician •
Bettina Welch (1922–1993), New Zealand actress •
Bill Welch (1941–2009), American politician •
Bo Welch (born 1951), American film director •
Bob Welch (disambiguation), multiple people •
Bradley Welch (born 1989), Trinidadian-American soccer player •
Brian Welch (born 1970), American musician •
Brian Welch (ski jumper) (born 1984), American ski jumper •
Bruce Welch (born 1941), English musician •
Buster Welch (1928–2022), American horse trainer
C •
Carolyn Welch (1929–2020), American figure skater •
Charles William Welch (1913–2002), Australian rules footballer •
Charles H. Welch (1880–1967), English theologian •
Chris Welch (born 1941), English music critic •
Christian Welch (born 1994), Australian rugby league footballer •
Christopher Evan Welch (1965–2013), American actor •
Chuck Welch (born 1948), American artist •
Claude Welch (disambiguation), multiple people •
Claxton Welch (born 1947), American football player •
Coley Welch (1919–2000), American boxer •
Colin Welch (1924–1997), English journalist •
Craig Welch (1948–2020), Canadian animator •
Cris Welch, American football coach •
Cullum Welch (1895–1980), British businessman •
Curt Welch (1862–1896), American baseball player
D •
Damien Welch (born 1982), Welsh rugby union footballer •
Daniel Welch (disambiguation), multiple people •
Danny Welch (disambiguation), multiple people •
Dave Welch (poker player), English poker player •
Dave Welch (admiral) (born 1961), American admiral •
David Welch (disambiguation), multiple people •
Denis Welch (1945–2014), British racing driver •
Denise Welch (born 1958), British actress •
Denton Welch (1915–1948), English writer •
Dick Welch (1913–2002), Australian rules footballer •
Dominick Welch (born 1998), American basketball player •
Don Welch (1932–2016), American poet •
Dwight S. Welch (1874–1962), American farmer and politician
E •
Ed Welch (born 1947), English composer •
Edward Welch (disambiguation), multiple people •
Edwin Welch (1838–1916), English photographer •
Elisabeth Welch (1904–2003), American singer and actress •
Elizabeth M. Welch (born 1970), American lawyer •
Elwyn Welch (1925–1961), New Zealand farmer and missionary •
Emanuel Chris Welch (born 1971), American politician •
Evans Welch, Trinidad and Tobago politician •
Evelyn Welch (born 1959), English-American scholar
F •
Florence Welch (born 1986), English singer •
Fran Welch (1895–1970), American football player and coach •
Frank Welch (disambiguation), multiple people
G •
Garry Welch (born 1955), New Zealand footballer •
Garth Welch (1936–2025), Australian dancer and choreographer •
George Welch (disambiguation), multiple people •
Georgiana Welch (1792–1879), English religious figure •
Gibby Welch (1904–1984), American football player •
Gillian Welch (born 1967), American musician •
Graeme Welch (born 1972), English cricketer •
Greg Welch (born 1964), Australian triathlete •
Gregory Welch, Canadian chemist •
Gus Welch (1892–1970), American football player and track athlete
H •
Haliey Welch (born 2002 or 2003), American internet personality •
Harold Welch (1912–1995), American businessman •
Harry Welch (disambiguation), multiple people •
Henry Kirke White Welch (1821–1870), American lawyer and politician •
Herbert Welch (disambiguation), multiple people •
H. Gilbert Welch (born 1955), American physician •
Howe Welch, American football player •
Huck Welch (1907–1979), Canadian football player
I •
Israel Victor Welch (1822–1869), American politician and lawyer •
Ivo Welch (born 1963), American economist
J •
Jack Welch (disambiguation), multiple people •
James Welch (disambiguation), multiple people •
Jane Welch (born 1964), English writer •
Jane Meade Welch (1854–1931), American journalist •
Janet Welch (1894–1959), English doctor •
Janet Martin Welch, American librarian •
Jason Welch (born 1989), American wrestler •
Jay E. Welch (1925–2008), American musician •
Jeffrey B. Welch (born 1954), American business executive •
Jenna Welch (1919–2019), American bookkeeper •
Jerry Welch (1944-2023), American politician from Missouri •
Jim Welch (1938–2017), American football player •
John Welch (disambiguation), multiple people •
Johnny Welch (1906–1940), American baseball player •
Jonathon Welch (born 1958), Australian conductor •
Joseph N. Welch (1890–1960), American lawyer •
Julie Welch (born 1948), British sports journalist •
Justin Welch (born 1972), British musician
K •
Keith Welch (born 1968), English footballer •
Kenneth Welch (1925–2006), American politician •
Kevin Welch (born 1955), American singer •
Kristian Welch (born 1998), American football player
L •
Larry D. Welch (born 1934), American Air Force general •
Lawrence Welch (born 1945), Australian theorist •
Lawrence E. Welch Jr., American judge •
Lenny Welch (1938–2025), American singer •
Leo Welch (1932–2017), American musician •
Leslie Welch (1907–1980), British radio personality •
Lew Welch (1926–1971), American poet •
Lewis Welch (1814–1878), American politician •
Lloyd R. Welch (1927–2023), American information theorist •
Longino Welch (1900–1969), American track and field athlete •
Lorne Welch (1916–1998), English engineer •
Louie Welch (1918–2008), American politician •
Lucas Welch (born 1974), American entrepreneur •
Lucia Foster Welch (1864–1940), English politician
M •
Mabel Welch •
Mabel C. Welch (1890–1981), American architect •
Mabel Rose Welch (1871–1959), American painter •
Malcolm Welch, English priest •
Marion Foster Welch (1851–1935), American house caretaker •
Martha G. Welch (born 1944), American physician •
Martin Welch (1864–1935), American schooner captain •
Mary Welch (1922–1958), American actress •
Mary Beaumont Welch (1841–1923), American educator and suffragist •
Mary-Scott Welch (1919–1995), American writer •
Matt Welch (born 1968), American blogger •
Matthew Welch (born 1976), American composer •
Michael Welch (disambiguation), multiple people •
Mickey Welch (1859–1941), American baseball player •
Micky Welch (born 1957), Barbadian-English footballer •
Milt Welch (1924–2019), American baseball player •
Monster Mike Welch (born 1979), American guitarist •
Myra Brooks Welch (1877–1959), American poet
N •
Neil Welch (1926–2017), American FBI agent •
Neville Welch (1906–1999), English priest •
Nick Welch (disambiguation), multiple people •
Niles Welch (1888–1976), American performer •
Noah Welch (born 1982), American ice hockey player •
Norval E. Welch (1835–1864), American colonel •
Nugent Welch (1881–1970), New Zealand artist
O •
Olivia Scott Welch (born 1998), American actress
P •
Patrick Welch (disambiguation), multiple people •
Peggy Welch (born 1955), American nurse and politician •
Peter Welch (born 1947), American politician •
Peter Welch (actor) (1922–1984), British actor •
Phil J. Welch (1895–1963), American politician •
Philip Welch (born 1954), British mathematician •
Priscilla Welch (born 1944), British runner
R •
Ralph Welch (1907–1974), American football player •
Raquel Welch (1940–2023), American actress •
Rebecca Welch, English football referee •
Reece Welch (born 2003), English footballer •
Richard Welch (disambiguation), multiple people •
Robert Welch (disambiguation), multiple people •
Rod Welch, American professor •
Roger Welch (born 1946), American artist •
Ron Welch (born 1960), American military officer •
Ronald Welch (1909–1982), British writer •
Ronnie Welch (born 1952), English footballer •
Roy Welch (1901–1977), American professional wrestler •
Rudolph B. Welch (1850–1906), American attorney and educator •
Rufus Welch (1800–1856), American impresario
S •
Samuel Earl Welch (1892–1969), American attorney •
Sandy Welch (born 1953), British television writer •
Saunders Welch (1711–1784), English businessman •
Savannah Welch (born 1984), American actress •
Scott Welch (born 1968), British boxer •
Sean Welch (born 1965), British musician •
Sharon D. Welch (born 1952), American academic •
Sian Welch (born 1954), American triathlete •
Stanton Welch (born 1969), Australian dancer •
Stephan Welch (born 1950), English priest •
Stephen Welch (born 1972), American wheelchair tennis player •
Stephen Welch (Medal of Honor) (1824–1906), American soldier •
Steven Welch, American musician •
Stuart Welch (born 1977), Australian rower •
Stuart Cary Welch (1928–2008), American scholar •
Suey Welch (1898/1899–1974), American boxing manager •
Susan Welch, American political scientist •
Suzy Welch (born 1959), American magazine editor
T •
Tahnee Welch (born 1961), American actress •
Tara Welch, American professor •
Taylor Welch (born 1989), American rugby league footballer •
Ted Welch (1892–1943), American baseball player •
Terry Welch (1939–1988), American computer scientist •
Thaddeus Welch (1844–1919), American painter •
Thomas Welch (disambiguation), multiple people •
Trevor Welch, Irish sports commentator •
Treyton Welch (born 2001), American football player •
Tub Welch (1866–1901), American baseball player
V •
Vernon S. Welch (1906–1980), American lawyer and politician •
Vince Welch (born 1964), American media personality •
Vivian Welch, Canadian epidemiologist
W •
Werburg Welch (1894–1990), English nun and artist •
Will Welch (born 1990), Australian rugby union footballer •
William Welch (disambiguation), multiple people •
Wilton Welch (1884–??), Australian actor and filmmaker •
Winfield Welch (1899–1980), American baseball player •
Winona Hazel Welch (1896–1990), American bryologist •
W. Wilbert Welch (1918–2015), American pastor ==Fictional characters==