XB1, XB-1, or variant, may refer to:
Vehicles Huff-Daland XB-1, or Keystone XB-1, a prototype bomber aircraft built for the United States Army Air Corps Engineering Division XB-1, or Dayton-Wright XB-1, an American version of the Bristol F.2 Fighter aircraft Buell XB1, a motorcycle by Buell Motorcycle Company XB-1 Baby Boom, an American supersonic aircraft by Boom Technology
Video games Xbox One, the third installment in the Microsoft Xbox series of home video game consoles Xbox (console), the first installment in the Microsoft Xbox series of home video game consoles
Other uses XB-1, Fondu fyre cement mixture XB1, a variant of the Daewoo Precision Industries K2 assault rifle
See also
1993 XB1 or 7351 Yoshidamichi, an asteroid Ikarie XB-1
XBI (disambiguation) XBL (disambiguation) XB (disambiguation)