Assumption, in Christianity, refers to the Assumption of Mary, a belief in the taking up of the Virgin Mary into heaven.

Assumption may also refer to:

Places Assumption, Alberta, Canada Assumption, Illinois, United States Assumption Township, Christian County, Illinois Assumption Island, Seychelles Assumption Island Airport Assumption, Minnesota, United States Assumption, Nebraska, United States Assumption, Ohio, United States Assumption Parish, Louisiana, United States

Arts, entertainment, and media "Assumption" (short story), a 1929 story by Samuel Beckett Assumption of Moses, a Jewish apocryphal pseudepigraphical work of uncertain date and authorship "Assumptions" (Doctors), a 2003 television episode Assumption (film), a 2017 short film by Anthony Leone "Assumptions" (Law & Order: Special Victims Unit), a 2019 television episode "Assumptions" (song), 2021 song by Sam Gellaitry

Churches Assumption Chapel, Minnesota, United States Assumption of the Blessed Virgin Mary Church, Michigan, United States Assumption – St. Paul, New York, United States Cathedral of the Assumption (disambiguation) Church of the Assumption (disambiguation)

Logic Closed-world assumption, the presumption that a statement that is true is also known to be true, and a statement not known to be true is false Open-world assumption, assumption that the truth value of a statement may be true irrespective of whether or not it is known to be true Tacit assumption, belief applied in developing a logical argument or decision that is not explicitly voiced nor necessarily understood by the decision maker Presupposition, a tacit assumption about the world or background belief relating to an utterance Unique name assumption, in logics where different names always refer to different entities in the world Responsibility assumption

Schools Australia Assumption College, Kilmore, Victoria Assumption College, Warwick, Queensland Canada Assumption Catholic Secondary School, Burlington, Ontario Assumption College School, Windsor, Ontario Assumption College School (Brantford), Ontario Assumption University (Windsor, Ontario) India Japan Assumption Junior College, Osaka Prefecture Philippines Assumption Antipolo Assumption College of Davao, Davao City Assumption College San Lorenzo, Makati City Assumption Iloilo, Iloilo City University of the Assumption, Pampanga Singapore Assumption English School Thailand Assumption College Sriracha, Chonburi Province Assumption College (Thailand) Assumption University (Thailand), Bangkok UK (Northern Ireland) Assumption Grammar School, Ballynahinch, County Down, Northern Ireland United States Academy of the Assumption, Florida Assumption Catholic School, Roman Catholic Archdiocese of Galveston–Houston Assumption University, Massachusetts Assumption College for Sisters, New Jersey Assumption High School (Iowa) Assumption High School (Kentucky) Assumption High School (Louisiana) Assumption High School (Wisconsin) Assumption Preparatory School, Massachusetts Assumption School, Illinois Assumption School (Saint Paul, Minnesota)

See also Dormition (disambiguation) Asunción, the Spanish word Axiom Assumption Cathedral (disambiguation) Church of the Assumption (disambiguation) Debt Assumption, the US policy under Alexander Hamilton to assume the war debt of some states Entering heaven alive L'Assomption River, Quebec, Canada List of churches consecrated to Santa Maria Assunta ("Assunta" is the Italian for Assumption) Presupposition Proposition