Alexander Allan or Allen may refer to:

Politics and law Sir Alexander Allan, 1st Baronet (c. 1764–1820), British politician, Member of Parliament for Berwick-upon-Tweed Alexander Allen (politician) (1842–1924), American politician in the state of Washington Alex Allan (born 1951), British civil servant

Sports Scotty Allan or Allan Alexander Allan (1867–1941), Scottish-born American dog musher Jack Allan (golfer) (1875–1898), Scottish amateur golfer (Alexander John Travers Allan) Alex Allan (footballer) (fl. 1910s), Scottish footballer Alex Allen (baseball) (fl. 1940s), Negro league baseball player Sandy Allen (cricketer) (born 1984), English cricketer Alex Allan (rugby union) (born 1992), Scotland rugby union player

Others Alexander Allan (ship owner) (1780–1854), Scottish sea captain and businessman Alexander Allan (locomotive engineer) (1809–1891), Scottish mechanical engineer Alexander Allen (writer) (1814–1842), English writer and linguist Alexander Viets Griswold Allen (1841–1908), American theologian Florence Parry Heide (pen name "Alex B. Allen", 1919–2011), American children's author Alexander J. Allen (fl. 1930s), American physicist, namesake of Allen Hall (University of Pittsburgh) Alexander Allen (stylist) (active since 2001), American fashion stylist

See also Allan (disambiguation) Allen (surname)