BIS may refer to:

BIS (band), or Believe in Style, a Japanese pop punk band
BIS monitor or bispectral index, to assess the depth of anaesthesia
BIS Records, a Scandinavian record label focusing on classical works
Bachelor of Independent Studies, an undergraduate degree
Bachelor of Integrated Studies, an undergraduate degree
Bangladesh International School
Bangladesh International School Dammam
Bank for International Settlements International Organization for the cooperation of Central Banks
Barratt Impulsivity Scale, a self-administered test to measure impulsivity
Benevolent Irish Society
Best in Show, the highest-placing in a conformation dog show, cat show, or other show or exposition
Bezpečnostn informačn sluba, the Czech intelligence agency
Bislama language (ISO 639 alpha-3 code bis)
Bismarck Municipal Airport (IATA code BIS)
BlackBerry Internet Service
Bohemia Interactive Studio
Brisbane Independent School
British Interlingua Society, ...more