All or ALL may refer to:
Biology and medicine Acute lymphoblastic leukemia, a cancer Anterolateral ligament, a ligament in the knee Carlo Allioni (1728–1804), Italian physician and professor of botany (taxonomic author abbreviation "All.")
Language All, an indefinite pronoun in English All, one of the English determiners Allar language of Kerala, India (ISO 639-3 code) Allative case (abbreviated ALL)
Music All (band), an American punk rock band All (All album), 1999 All (Descendents album) or the title song, 1987 All (Horace Silver album) or the title song, 1972 All (Yann Tiersen album), 2019 "All" (song), by Patricia Bredin, representing the UK at Eurovision 1957 "All (I Ever Want)", a song by Alexander Klaws, 2005 "All", a song by Collective Soul from Hints Allegations and Things Left Unsaid, 1994
Sports All (tennis) American Lacrosse League (1988) Arena Lacrosse League, Canada Australian Lacrosse League
Other uses All, Missouri, a community in the US All, a brand of Sun Products Albanian lek by ISO 4217 currency code ALL (complexity), the class of all decision problems in computability and complexity theory ALL, a content rating given by the Game Rating and Administration Committee in South Korea
See also Awl (disambiguation) Alle (disambiguation) Allyl group "For all", a universal quantification in predicate logic, represented by ∀