K.I. Singh (Nepali: केआईसिंह) is a Gaupalika(Nepali: गाउपालिका ; gaupalika) in Doti District in the Sudurpashchim Province of far-western Nepal. K.I. Singh has a population of 20903.The land area is 127.01 km.

At the time of the 2011 Nepal census, K.I. Singh Rural Municipality had a population of 20,903. Of these, 98.9% spoke Doteli, 0.5% Magar, 0.4% Nepali and 0.2% other languages as their first language.

In terms of ethnicity/caste, 46.2% were Chhetri, 17.2% Kami, 16.7% Hill Brahmin, 6.4% other Dalit, 2.9% Damai/Dholi, 2.3% Sarki, 2.1% Thakuri, 1.5% Lohar, 1.5% Magar, 1.4% Badi, 1.3% Sanyasi/Dasnami, 0.3% other Terai, 0.1% Bengali, 0.1% Newar and 0.1% others.

In terms of religion, 99.9% were Hindu.

In terms of literacy, 52.0% could read and write, 3.9% could only read and 44.0% could neither read nor write.