Jamtara is an assembly constituency in the Indian state of Jharkhand.
Jamtara Assembly constituency covers: Jamtara Police Station (excluding Karmatanr, Sahajpur, Pindari, Lakhanpur, Rataniya, Rampurbhitra and Kajra gram panchayats) and Narayanpur Police Station in Jamtara district.
Jamtara Assembly constituency is part of Dumka (Lok Sabha constituency).