XTB

XTB or xtb may refer to:

XTBs (exchange-traded bond units), securities traded on the Australian Securities Exchange Chazumba Mixtec (ISO 639 code: xtb), a language XTB S.A., a brokerage firm AZLK or Moskvitch, (world manufacturer identifier: XTB; See Vehicle identification number) GFNn-xTB, a series of tight-binding semi-empirical quantum chemistry methods

See also XTB-1, a Boeing TB (or Model 63), an American torpedo bomber biplane