Nizhneingashsky District () is an administrative and municipal district (raion), one of the forty-three in Krasnoyarsk Krai, Russia. It is located in the southeast of the krai and borders Abansky District in the north, Irkutsk Oblast in the east and southeast, and Ilansky District in the south and west. The area of the district is . Its administrative center is the urban locality (an urban-type settlement) of Nizhny Ingash. As of the 2010 Census, the total population of the district was 33,439, with the population of Nizhny Ingash accounting for 22.7% of that number.
The district was founded on April 4, 1924.
As of 2015âÂÂ2020, the Head of the district is Pyotr A. Malyshkin.
The Trans-Siberian Railway runs through the district from west to east. A part of the federal highway M53 passes through the district as well.