18th Academy Awards
18th Arkansas Infantry Regiment (Carroll's)
18th Arkansas Infantry Regiment (Marmaduke's)
18th Battalion (Australia)
18th Brigade (Australia)
18th Canadian Parliament
18th Central Committee of the Communist Party of China
18th-century French literature
18th Infantry Regiment (Imperial Japanese Army)
18th Infantry Regiment (United States)
18th International Adana Golden Boll Film Festival
18th Legislative Assembly of Ontario
18th Legislative Assembly of Quebec
18th Legislative Assembly of Saskatchewan
18th Legislative District (New Jersey)
18th National Congress of the Communist Party of China
18th National Film Awards
18th New York State Legislature
18th Regiment Massachusetts Volunteer Infantry
18th Screen Actors Guild Awards
18th Street gang
18th United States Congress
18th Wing
18 to Life