UNB may refer to: Barrientista National Union (Spanish: ), a political party in Bolivia National University of Benin (French: ) Unnilbium (Unb), a chemical element now known as Nobelium Union National Bank a bank in the United Arab Emirates United News of Bangladesh University of Brasília University of New Brunswick Ultra Narrow Band, a network technology UNB (group), a South Korean boy band consisting of winners from The Unit: Idol Rebooting Project