NBB can mean: The Naked Brothers Band (disambiguation), various subjects National Bank of Bahrain National Bank of Belgium, the central bank of Belgium since 1850 National Biodiesel Board, a biodiesel interest organization headquartered in Jefferson City, Missouri New Basket Brindisi, a professional men's basketball club in Brindisi, Italy Nomura Babcock & Brown, Japanese investment firm Normal buffer base, a blood value The Notorious Boo-Boys, supporters of Bohemian F.C. Novo Basquete Brasil, the top-level Brazilian men's basketball league Newburgh–Beacon Bridge New Bullards Bar Dam and New Bullards Bar Reservoir in Northern California