Alex McGregor may refer to:

• Alex McGregor (actress), South African actress
• Alex McGregor (footballer, born 1896), Scottish football player (Dumbarton, Celtic)
• Alex (Alec) McGregor (British trumpet player), (1926-1985), swing era big band and sessions musician (Cyril Narbeth Orchestra, Ken Macintosh Orchestra, etc.)
• Alex McGregor (footballer, born 1950), Scottish football player (Ayr United, Shrewsbury Town, Aldershot)
• Alex McGregor (Australian footballer) (1908–1997), Australian rules footballer for Geelong
• Alex McGregor (Cook Island footballer) (born 1987), New Zealand-born footballer with heritage from the Cook Islands
• Alex McGregor (politician) (fl. 2000), Canadian politician, Progressive Conservative Party candidate in Sudbury

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