Tafazzul Husayn () is a South Asian Muslim masculine given name of Arabic origin. It may refer to:
Tafazzul Husain Khan Kashmiri (1727–1801), Shi'ite scholar, physicist and philosopher Tafazzul Hussain Khan (died 1868), British Indian army officer Tofazzal Hossain Manik Miah (1911–1969), Bengali journalist and politician Tafazzal Hossain Khan (1920–2022), Bangladeshi politician Tafazzul Hussain Siddiqui (1925–2002), Pakistani naval officer and journalist Tofazzal Hossain Comillai (1935–2015), Bangladeshi language activist, civil servant and writer Md Tofazzel Hossain Miah (born 1964), principal secretary to the Prime Minister of Bangladesh Tafazzal Hossain, Bengali politician Mirza Tofazzal Hossain Mukul (died 2016), Bangladeshi politician Tofazzal Hossain Sarkar (died 2021), Bangladeshi politician
See also Tafazzul Hussein