Fru or FRU may refer to:

FRU Federal Reserve Unit, of the Royal Malaysian Police Field-replaceable unit Fiji Rugby Union Film Resource Unit, a defunct South African film distributor Fleet Radio Unit, of the United States Navy active during World War II Fleet Requirements Unit, Royal Navy Florida Rugby Union Force Research Unit, a covert military intelligence unit of the British Army in Northern Ireland Free Representation Unit, a British legal charity

People Fru Hazlitt (born 1963), a British broadcasting executive John Fru Ndi (born 1941), Cameroonian politician Sananda Fru (born 2003), German basketballer

Other Fru (video game), a 2016 video game Fruitless (gene), of Drosophila melanogaster Manas International Airport, in Bishkek, Kyrgyzstan, former IATA airport code FRU