McDowall is a surname. Notable people with the surname include:
Adrian J. McDowall, Scottish film director
Archibald McDowall (1841–1918), Australian surveyor
Betty McDowall, Australian actress
Bob McDowall (1939-2011), New Zealand ichthyologist
Cecilia McDowall, (born 1951), British composer
Charles McDowall (1862–1916), Australian politician
David McDowall, British Army general
Drew McDowall (born 1961), Scottish musician
Frederick Henry McDowall (1900–1975), New Zealand scientist
Iain McDowall, Scottish writer
Ian McDowall, American chief executive
Jack McDowall (1905–1969), American football player
Jai McDowall (born 1986), Scottish musician
Jamie McDowall (born 1947), English cricketer
Jolanshoy McDowall (born 1989), Saint Vincent and the Grenadines footballer
Kenny McDowall (born 1963), Scottish footballer
Les McDowall (1912–1991), Scottish footballer and manager
Margaret McDowall (born 1936), Scottish swimmer
Rachel McDowall (born 1984), English actress
Robert McDowall (1821–1894), Scottish-born Australian cricketer
Roddy McDowall (1928–1998), Anglo-American actor
Rose McDowall (born 1959), Scottish musician
