David Beatty, Beattie, or Beaty may refer to:

• David Beatty, 1st Earl Beatty (1871–1936), British admiral
• David Beatty, 2nd Earl Beatty (1905–1972), British politician, eldest son of the 1st Earl Beatty
• David Beatty, 3rd Earl Beatty (born 1946), eldest son of the 2nd Earl Beatty
• David L. Beatty (1798–1881), American politician, fifth mayor of Louisville, Kentucky (1841–1844)
• David R. Beatty (born 1942), Canadian businessman
• David Beattie (1924–2001), 14th Governor-General of New Zealand (1980–1985)
• David Beattie (businessman) (born 1955), chairman of Partick Thistle F.C. and Chief Executive of Enterprise Foods Ltd.
• David Beattie (footballer) (1903–?), Scottish footballer
• David Beaty (American football) (born 1970), American football coach

• David Beaty (disambiguation)