James, Jim or Jimmy Weir may refer to:
Sportspeople James Weir (footballer) (born 1995), English football player who last played for ViOn Zlaté Moravce Jerry Weir (1851–1889), Scottish footballer (Queen's Park and Scotland) Jim Weir (born 1969), Scottish footballer (Hamilton Academical, Heart of Midlothian, St. Johnstone) Jim Weir (basketball), American college basketball player Jimmy Weir (footballer, born 1864) (1864–?), Scottish footballer (Dumbarton, Gateshead, Sunderland Albion) Jimmy Weir (footballer, born 1887) (1887–1959), Scottish footballer (Celtic, Middlesbrough) Jimmy Weir (footballer, born 1939), Scottish footballer (Fulham, York City, Mansfield Town, Luton Town, Tranmere Rovers)
Politicians James Weir (politician) (1863–1949), Canadian politician, Alberta MLA (1917–1921) James Galloway Weir (1839–1911), Scottish businessman and Liberal Party politician Jim Weir (diplomat) (1922–2012), New Zealand diplomat
Other people James Weir (architect) (1845–1905), Wesleyan Methodist church architect James George Weir (1887–1973), Scottish aviator James Kenneth Weir (1905–1975), Scottish peer and businessman James Robert Weir (1882–1943), American botanist Jim Weir (director), Australian writer-director of the 2023 horror film Birdeater
See also James Weir Building, an academic building in Glasgow, Scotland James Weir House, an historic building in Tazewell, Tennessee