Mibi, MIBI, or variation, may refer to:

methoxyisobutylisonitrile (MIBI), a chemical used in nuclear medicine Multiplexed ion beam imaging (MIBI), a type of mass spectrometry imaging Men in Black: International (2019 film) "Men in Black 4" MiB:I or MiBi

See also

Men in Black (1997 film) a.k.a. MIB1 MIB1