Bo Diddley (1928–2008) was an American R&B vocalist, guitarist and songwriter.
Bo Diddley may also refer to:
- "Bo Diddley" (Bo Diddley song), 1955
- "Bo Diddley", 1993, a song by Emerson, Lake and Palmer, released on the boxed set The Return of the Manticore
- "Bo Diddley" (Arvingarna song), 1995
- Bo Diddley (1958 album)
- Bo Diddley (1962 album)
- Bo Diddley beat