The Tirunelveli city police is the law-enforcement agency of Tirunelveli City. It comes under the Tamilnadu State Police and is headed by the Commissioner of Police. He is assisted by Two Deputy Commissioner of Police, and two Assistant Commissioner of Police.
The Tirunelveli City Police has law & order & traffic Police Stations. Other units within the Tirunelveli City Police include Cyber Crime, Woman, Traffic, Crime & Enforcement wing.