McDowall is a surname. Notable people with the surname include:
Adrian J. McDowall, Scottish film directorArchibald McDowall (1841–1918), Australian surveyorBetty McDowall, Australian actressBob McDowall (1939-2011), New Zealand ichthyologistCecilia McDowall, (born 1951), British composerCharles McDowall (1862–1916), Australian politicianDavid McDowall, British Army generalDrew McDowall (born 1961), Scottish musicianFrederick Henry McDowall (1900–1975), New Zealand scientistIain McDowall, Scottish writerIan McDowall, American chief executiveJack McDowall (1905–1969), American football playerJai McDowall (born 1986), Scottish musicianJamie McDowall (born 1947), English cricketerJolanshoy McDowall (born 1989), Saint Vincent and the Grenadines footballerKenny McDowall (born 1963), Scottish footballerLes McDowall (1912–1991), Scottish footballer and managerMargaret McDowall (born 1936), Scottish swimmerRachel McDowall (born 1984), English actressRobert McDowall (1821–1894), Scottish-born Australian cricketerRoddy McDowall (1928–1998), Anglo-American actorRose McDowall (born 1959), Scottish musician