UB may refer to: Places Ub (Serbia), a town in Serbia Ub River, a river in Serbia UB postcode area, in London, England Ulan Bator, Mongolia Organizations and businesses UltimateBet, an online poker site Ungermann-Bass, a computer networking company in California United Biscuits, a British and European food manufacturer United Breweries Group, a brewery conglomerate in India Urząd Bezpieczenstwa (1945-1954), part of the Polish secret police Church of the United Brethren in Christ,… (More on Ub)