MBAR, Mbar or mbar may refer to:
Arts and entertainment Mbar Ndiaye (born 1983), French taekwondo athlete Musée des Beaux-Arts de Rennes
STEM and medicine Millibar (mbar), a unit of pressure Megabar (Mbar), a unit of pressure Multistate Bennett acceptance ratio
Other uses Mbar (rural district), a rural district in the Gossas Department, Senegal mbar1260, Glottolog code of the Mbara language (Chad) mbar1261, Glottolog code of the Mbara language (Australia)