BB2 may refer to:
BB2, a postcode district in the BB postcode area Gastrin-releasing peptide receptor (GRPR), also known as BB2 USS Massachusetts (BB-2), a United States battleship from 1896 to 1919 Big Brother 2, a television programme in various versions Bigg Boss 2 (disambiguation), Indian versions of the TV franchise Bad Boys II, a 2003 action comedy movie starring Martin Lawrence and Will Smith Baahubali 2: The Conclusion, an Indian film directed by S. S. Rajamouli Bhool Bhulaiyaa 2, a 2022 Indian horror comedy film directed by Anees Bazmee