The Mercenary may refer to:

• The Mercenary (film), a film directed by Sergio Corbucci
• A novel by Jerry Pournelle, included in The Prince (Pournelle) omnibus
• Luc Poirier, a professional wrestler
• El Mercenario, also known as The Mercenary, a Spanish comic series

• Greater London Authority referendum, 1998
• Greater London Council election, 1964
• Greater London Council election, 1967
• Greater London Council election, 1970
• Greater London Council election, 1973
• Greater London Council election, 1977
• Greater London Council election, 1981
• Greater London Council Staff Association
• Greater London Group
• Greater London Regiment, Royal Artillery
• Greater London Staff Association
• Greater London Womens Football League
• Greater London Women's Football League
• Greater long-eared bat
• Greater long-tongued bat
• Greater Los Angeles Area Council
• Greater Love Hath No Man
• Greater Madawaska, Ontario
• Greater Magadha
• Greater Magaric
• Greater Magaric languages
• Greater Maghreb
• Greater Malay chevrotain
• Greater Male Variability Hypothesis
• Greater Manchester 2017 Mayoral election