Ub or UB, may refer to:* Ulaanbaatar, the capital of Mongolia the IATA code for Myanma Airways the German name for the captured British submarine HMS Seal. Ub (Serbia), a town in Serbia Ub River, a river in Serbia the UB postcode area Ub Iwerks (Ubbe Ert Iwwerks), an American animator and cartoonist Ugly Betty, an English translation of the original television serial drama Yo Soy Betty, La Fea created in Colombia, and adapted to multiple languages a commonly used abbreviation of Ulan Bat… (More on Ub)