DTB may refer to:

Companies Diamond Trust Bank Group of Africa Diamond Trust Bank (Uganda)

Media DAISY Digital Talking Book, a standard format for publishing e-books hearable and browsable by blind people Darker than Black, an anime television series Hard copy (also known as a "Dead Tree Book"), a book printed on paper (as opposed to an e-book)

Music Donna the Buffalo, an American folk-rock/zydeco band The Derek Trucks Band, an American Band The Devin Townsend Band, a Canadian musical group

Other uses .dtb (device tree blob), in computing, a compiled version of a device tree that is handed to the kernel during the booting process Douglas DT, an American bomber variant called DTB David Thomas Broughton, an English singer and guitarist Crystallizer, a crystallizer variant called Draft Tube and Baffle Silangit International Airport (IATA: DTB)