David Weir

David Weir may refer to:
 * David Weir (academic) (born 1947), American literature scholar
 * David Weir (journalist), American journalist
 * David Weir (Scottish footballer) (born 1970), Scottish footballer and football manager
 * Davie Weir (footballer) (1863–1933), English footballer
 * David Weir (politician) (1881–1929), Australian politician
 * David Weir (writer) (1934–2011), British TV and film script writer
 * David Weir (athlete) (born 1979), British Paralympic wheelchair athlete