David Webster may refer to:

• Dave Webster (1937–2006), American football player
• David Webster (cricketer) (born 1946), English cricketer
• David Webster (footballer) (born 1989), Irish professional footballer
• David Webster (rowing) (born 1987), Australian rowing cox
• David P. Webster (1928–2023), Scottish author, historian, and promoter of the Highland games internationally

• David Kenyon Webster (1922–1961), American soldier, journalist and author
• David L. Webster (1888–1976), American physicist in early X-ray theory
• David Webster (anthropologist) (1945–1989), South African anthropologist and anti-apartheid activist
• David Webster (architect) (1885–1952), Scottish-Canadian architect
• David Webster (opera manager) (1903–1971), British general administrator of the Royal Opera House in London, 1946–1970
• David Webster (politician) (1923–1969), British Conservative member of parliament for Weston-Super-Mare
• David Webster, Australian TV producer for Ambence Entertainment, creator and writer for Erky Perky