is one of the eight wards of Niigata City, Niigata Prefecture, in the Hokuriku region of Japan. , the ward had an estimated population of 74,559 in households and a population density of 690 persons per km<sup>2</sup>. The total area of the ward was .
Kita-ku is located in north-east Niigata city, and is bordered by the Sea of Japan to the north.
The area of present-day Kita-ku was part of ancient Echigo Province. The village of Kuzudzuka was established on April 1, 1889, within Kitakanbara District, Niigata with the establishment of the modern municipalities system, and was raised to town status on November 1, 1901. It was renamed Toyosaka on March 31, 1955, and was elevated to city status on November 1, 1970. The city of Niigata annexed Toyosaka on March 21, 2005. Niigata became a government-designated city on April 1, 2007, and was divided into wards, with former Toyosaka becoming part of the new Kita Ward along with a coastal section of the former Niigata city.
Kita-ku has 13 public elementary schools and eight public middle schools operated by the Niigata city government. The ward has one public high school operated by the Niigata Prefectural Board of Education and one private high school.