Alex Marshall

• Alex Marshall (Days of [Our Lives)], a character in Days of Our Lives
• Alex Marshall (actor and director), actress, later a television and theatre director
• Alex M. Loeb, American painter from the state of Mississippi
• Alex Marshall (police officer), Chief Constable of Hampshire Constabulary, England
• Alex T. Marshall, American musician and former pianist and rhythm guitarist for The Cab
• Alex Marshall (bowls), British lawn bowler
• Alex Marshall (journalist), American journalist
• Alex Marshall (footballer), Jamaican footballer
• Alex Marshall, a pen name of Jesse Bullington, American fantasy writer