Tseminyü district is located in the Indian state of Nagaland. It was created on December 18, 2021, as the 13th district of Nagaland. The district headquarters is located in the town of Tseminyü. It is home to the Rengma Nagas, with a population of 63,269 (2011) and an area of 256 square kilometres.

Tseminyü District was created on December 18, 2021 as the 13th district of Nagaland. The new district has the same boundaries as the former Tseminyü sub-division of Kohima District.

Tseminyü District covers an area of 256 km. The climate is sub-tropical with a monsoon season.

The district covers two taluks (administrative circles), which are Tseminyü and Tsogin.

Tseminyü District contains two rural development blocks, which are Tseminyü and Nsunyu.

According to the 2011 census of India the then Tseminyü circle of Kohima District had a population of 63,629. The majority of the inhabitants are the Rengma Nagas.

The total literacy rate of Niuland is 81.71%. The Child sex ratio is 980 which is greater than the Average Sex Ratio of 1,011.

According to the 2011 official census, Christianity is major religion in Tseminyu with small population of other religious minorities.