BB3 may refer to:
Bhool Bhulaiyaa 3, an Indian horror comedy film directed by Anees Bazmee BB3, working title for the 2021 Indian film Akhanda, directed by Boyapati Srinu and starring Nandamuri Balakrishna BB3, a postcode district the BB postcode area Bombesin-like receptor 3, also known as BB3 Big Brother 3 (disambiguation), a television programme in various versions Bigg Boss 3 (disambiguation), Indian versions of the TV franchise