Hinduism is the second largest religious affiliation in People's Republic of Bangladesh, as according to the 2022 Census of Bangladesh, approximately 13.1 million people responded that they were Hindus, constituting 7.95% out of the total population of 165.15 million people. In terms of population, Bangladesh is the third-largest Hindu populated country of the world, just after the neighboring republics of India and Nepal in the subcontinent. Hinduism is the second-largest religion in 61 out of 64 districts of Bangladesh, but there is no Hindu majority district in Bangladesh.

The 2022 Bangladeshi census was a detailed enumeration of the Bangladeshi population constituting the sixth national census in the country. It was scheduled to be held in June 2022, was conducted by the Bangladesh Bureau of Statistics, and the reference day used for the census will be June 15, 2022. It was initially scheduled to be held in 2021 but was delayed due to complications caused by the COVID-19 pandemic and a lack of equipment.