| Honorific Prefix: | Khan Bahadur Maulvi |
| Jalaluddin Ahmad | |
| Native Name: | জালালুদ্দীন আহমদ |
| Native Name Lang: | bn |
| Birth Date: | 1890 |
| Birth Place: | Harbang, Cox's Bazar subdivision, Chittagong District, Bengal Presidency |
| Office1: | Member of the Bengal Legislative Assembly |
| Term Start1: | 1937 |
| Term End1: | 1945 |
| Constituency1: | Cox's Bazar |
| Successor1: | Kabir Ahmad Chowdhury |
| Death Place: | Dacca, East Bengal, Pakistan |
| Resting Place: | Azimpur Graveyard, Dhaka, Bangladesh |
| Occupation: | Landlord, lawyer, politician |
| Party: | Krishak Praja Party |
Khan Bahadur Maulvi Jalaluddin Ahmad (; 1890 – 1958) was a Bengali landlord, lawyer, jurist and politician. He was the former Health Minister of Bengal.
Ahmad was born in 1890 to a Bengali zamindar family in the village of Harbang in Cox's Bazar subdivision, Chittagong District, Bengal Presidency.
Ahmad was a prominent lawyer in the Chittagong district. He was known for his guiding principles and honesty. Ahmad could speak several languages proficiently including Bengali, Arabic, Urdu and Persian. He was awarded the title of Khan Bahadur by the British administration for his years of service to the community and for being a prominent landlord. He contested at the 1937 Bengal elections as a Krishak Praja Party candidate,[1] and successfully became a member of the Bengal Legislative Assembly.[2] Ahmad became active in politics in the mid-1930s and was invited to join the cabinet of Huseyn Shaheed Suhrawardy. He served as the Health Minister of Bengal under the Suhrawardy cabinet.[3]
He was married to Nafisa Khatun and with her had two daughters, Husna Ara Khan and Basma Ara Ahmed. Ahmed's grandson Abdul Muqtadir Khan (Babu) was the chairman of GEC (General Electric Company) Bangladesh and a Chartered accountant from England and Wales. One of his other grandsons, A.M. Khan (Rokon) was a pharmacist, business man and social personality.
He died in 1958 in Dacca, East Bengal and is buried at the Azimpur Graveyard.