French Meaning: The name Beau is a French baby name. In French the meaning of the name Beau is: Handsome. Famous namesakes: 19th-century British dandy Beau Brummell, AKA George Bryan Brummell; French Foreign Legion fictional hero Beau Geste.
Bo is a mainly Swedish/Danish masculine given name, derived from an Old Norse nickname, bua, meaning "to live". A variant of Bo is the Swedish Bosse. Bo is uncommon as a surname. Bo is also short for several names, including Robert, Beaufort, Beauregard, Bonita or Bonnie.