MBI may refer to:
Travel and police Machaneh Bonim in Israel, a tour of Israel by Habonim Dror Mbeya Airport (IATA code), Tanzania Mississippi Bureau of Investigation, an investigation agency in the state of Mississippi under the Mississippi Highway Patrol Metropolitan Bureau of Investigation, Florida, US
Arts and media Minnesota Brass, Inc., a performing arts organization MBI Publishing Company, publishers in Saint Paul, Minnesota, part of The Quarto Group Minaj Broadcast International, a defunct Nigerian television channel mbi.is, the website for the Icelandic daily newspaper Morgunblaðið
Medicine, business, and education Molecular Breast Imaging MBI (Michigan Biotechnology Institute), a non-profit research accelerator Mild behavioral impairment Maslach Burnout Inventory, a scale for burnout syndrome Management buy-in, of a large interest in a company Master of Business Informatics Mathematical Biosciences Institute Moody Bible Institute
See also MB1, athletic shoe by Big Baller Brand