Dergaon (IPA: ˈdɜːˌgɑ̃ʊ) is a town and a municipality in the Golaghat district of Assam, India.

Bhaxar Oja Hemchandra Barua, the compiler of Hemkosh (the earliest Assamese-English dictionary) was from Dergaon.

Ahoms kings had established here a royal station (Rajabahor), a Pilkhana (centre of elephant training) and a dockyard called Negeri Noasali.

Kamakhya Prasad Tasa of Bharatiya Janata Party is the incumbent MP since the year 2024.

The present MLA is Bhabendra Nath Bharali of Asom Gana Parishad (AGP) preceded by Smti.

Shankardev Shishu Niketan, Dergaon, pioneer in Assamese medium for private sector schools, is also significant for its good education, brilliant results and co-curricular activities.