| Tirhut division | |
| Coordinates: | 26.07°N 85.45°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Bihar |
| Established Title: | Established |
| Established Date: | 1908 |
| Seat Type: | Headquarters |
| Seat: | Muzaffarpur |
| Parts Type: | Districts |
| Parts Style: | para |
| P1: | Vaishali Sheohar Sitamarhi Muzaffarpur East Champaran West Champaran |
| Leader Title: | Commissioner |
| Leader Name: | Saravanan Meena |
| Area Total Km2: | 17141 |
| Population Total: | 21410544 |
| Population As Of: | 2011 |
| Type: | Division |
Tirhut Division or Tirhut Commissionary is an administrative-geographical unit of Bihar in India. Muzaffarpur is the headquarters of the division. It comprises six districts: Muzaffarpur, West Champaran (headquartered at Bettiah), East Champaran (headquartered at Motihari), Vaishali (headquartered at Hajipur), Sitamarhi and Sheohar.[1]
The administrative head of Tirhut division is a commissioner, a senior officer of the Indian Administrative Service. Tirhut's present divisional commissioner is Saravanan Meena.[2]
The Tirhut Division has 18 subdivisions, 99 blocks, 1788 Gram Panchyat & 1572 villages.
Khudiram Bose, Maghfoor Ahmad Ajazi, Manzoor Ahsan Ajazi, Bhagwan Das, Juba Sahni, Raj Kumar Shukla, Ramdayalu Singh, Mathura Singh, Binda Babu and Mahesh Babu were some of the freedom fighters from Tirhut.
Mahatma Gandhi launched his struggle for independence from the East Champaran or Motihari district of this Division in 1916. It was the Karma Bhoomi of Dr. Rajendra Prasad, Acharya J.B. Kripalani and Jayprakash Narayan.
Motihari is the birthplace of writer George Orwell.[3]