General Alexander may refer to:

Alexander (son of Polyperchon) (d. 314 BC), Macedonian general

Alexander (Aetolian general) (fl. 220 BC)

Alexander (Antigonid general) (fl. 220s BC)

Prince Charles Alexander of Lorraine (1712–1780), Austrian general

David Anderson (British Army officer) (1821–1909), British Army general

David Alexander (Royal Marines officer) (1926–2017), Royal Marines major general

Edward McGill Alexander (born 1947), South African Army major general

Edward Porter Alexander (1835–1910), Confederate States Army brigadier general

Ernest Alexander (1870–1934), British Army major general

Henry Templer Alexander (1911–1977), British Army major general

Harold Alexander, 1st Earl Alexander of Tunis (1891–1969), British Army major general

Keith B. Alexander (b. 1951), U.S. Army general

Milton Alexander (1796–1856), Illinois Militia brigadier general

Robert Alexander (United States Army officer) (1863–1941), U.S. Army major general

Ronald Okeden Alexander (1888–1949), Canadian Army general

William Alexander, Lord Stirling (1726–1783), Continental Army major general

William Alexander (Glasgow MP) (1874–1954), British Army brigadier general