Weir is a surname. It may refer to:

People

Alisha Weir (born 2009), Irish actress Alison Weir (born 1951), British writer and historian Alison Weir (activist), American activist and writer Amanda Weir (born 1986), American Olympic swimmer Andrew Weir, 1st Baron Inverforth (1865–1955), British businessman and minister Andrew Weir (born 2010), American entrepreneur; youngest entrepreneur to ring the NASDAQ closing bell; founder of TSARP, the TSARP Podcast, and Spark Studio Andy Weir (born 1972), American science fiction writer Andy Weir (footballer) (1937–1992), Scottish footballer Arabella Weir (born 1957), British actress Barbara Weir (c. 1945–2023), Indigenous Australian artist and politician Benjamin Weir (1923–2016), American missionary held hostage in Lebanon in 1985 Bill Weir (born 1967), American television journalist Bob Weir (1947–2026), American guitar player, a founding member of the Grateful Dead Bonnie Weir, American engineer Bruce Weir (born 1943), New Zealand geneticist Caroline Weir (born 1995), Scottish footballer David Weir (footballer) (1863–1933), English footballer David Weir (journalist) David Weir (athlete) (born 1979), British Paralympic wheelchair athlete David Weir (Scottish footballer) (born 1970) Doddie Weir (1970–2022), Scottish rugby player Elizabeth Weir (born 1948), Canadian politician and lawyer Erin Weir (born 1982), Canadian politician Fred Weir, Canadian journalist Frank Weir (cricketer) (1903–1969), New Zealand cricketer Gillian Weir (born 1941), New Zealand organist Grace Weir (born 1962), Irish sculptor and interdisciplinary artist Graham Weir (born 1984), Scottish footballer Harrison Weir (1824–1906), English writer and artist J. Alden Weir (1852–1919), American painter James Weir (disambiguation), various people named James, Jim or Jimmy Weir Jeremy Weir (born 1964), Australian geologist, banker and businessman, CEO of Trafigura John Ferguson Weir (1841–1926), American painter and sculptor Johnny Weir (born 1984), American figure skater Judith Weir (born 1954), British composer Leonard Weir (born 1928), Australian actor Lindsay Weir (cricketer) (1908–2003), New Zealand Test cricketer Michael or Mike Weir (disambiguation), various people Molly Weir (1910–2004), British actress Norman Weir (1893–1961), New Zealand major general Peter Weir (born 1944), Australian film director Peter Weir, Baron Weir of Ballyholme (born 1968), Northern Ireland politician Peter Weir (footballer) (born 1958), Scottish footballer Phil Weir (1901–1963), Scottish footballer Robert Weir (disambiguation), various people Rob Weir, Canadian politician Robbie Weir (born 1988), Northern Irish footballer Sammy Weir (born 1941), American football coach and player Stephnie Weir (born 1967), American actress, comedian and writer Steve Weir, American politician Thomas Weir (1599–1670), Scottish Covenanter and presumed occultist Thomas Weir (American soldier) (1838–1876), American cavalry captain who attempted to come to the aid of George Armstrong Custer at Custer's Last Stand Tom Weir (1914–2006), Scottish mountain climber, author and broadcaster Walter Weir (1929–1985), Canadian politician William Weir (disambiguation), multiple people

Fictional characters Brett Weir, in The Jerky Boys: The Movie Elizabeth Weir (Stargate), in the television series Stargate Atlantis and Stargate SG-1 Lindsay Weir (Freaks and Geeks), in the television series Freaks and Geeks Dr. William Weir, in Event Horizon