萨哈尔萨（Saharsa），是印度比哈尔邦Saharsa县的一个城镇。总人口124015（2001年）。

该地2001年总人口124015人，其中男性67010人，女性57005人；0—6岁人口20837人，其中男10747人，女10090人；识字率58.18%，其中男性为66.41%，女性为48.50%。

Saharsa is a city and a municipality in the Saharsa district in the Indian state of Bihar in the north of the country, east of the Kosi River. It is the administrative headquarters of the Saharsa District, and is in the Kosi Division. Sahrasa is also the name of the assembly constituency, which contains the city and neighbouring parts of the district. The name Saharsa has originated from saharsh which means 'with great pleasure'.