The nb full form is Nota Bene. Nota Bene is a Latin term that means “take notice” or “please note” in English. The letter NB is used to emphasize or bring attention to anything that should be carefully studied or noted.
New Balance (NB) is an American multinational footwear brand based in Boston, Massachusetts.
New Brunswick is a province in eastern Canada with the postal abbreviation NB.
Nigerian Breweries (NB) is a Nigerian brewing firm.