MiFi is a brand name of a wireless router that acts as mobile Wi-Fi hotspot.
Mifi may also refer to:
Mifi (department), a location in Cameroon MIFI d.o.o., Slovenian promoter of Metaldays music festival Mifi Rotten, a Chrome Shelled Regios character MIFI, the romanisation of the Cyrillic abbreviation of the Moscow Engineering Physics Institute