Peter Taqtu Irniq (born: 1947 in Lyon Inlet near Repulse Bay, Northwest Territories) is an Inuk politician in Canada, who served as the second Commissioner of Nunavut from April 2000 to April 2005.

Irniq is an Inuit cultural teacher and has lived most of his life in the Kivalliq Region of Nunavut, including Repulse Bay (Naujaat), Coral Harbour (Salliq), Baker Lake (Qamanit'tuaq), Chesterfield Inlet (Igluligaarjuk), Rankin Inlet (Kangiqiniq), and Iqaluit. He has also lived in the Western Arctic (Northwest Territories), Manitoba and Ontario.

Irniq was the executive assistant to the assistant commissioner of the N.W.T. from 1974 to 1975. He was elected to the 1975 Northwest Territories general election and represented the riding of the Keewatin Region for four years. He was the first Inuk to be made assistant regional director for the Department of the Executive in the former Keewatin Region (Kivalliq), 1979 until 1981.

As superintendent of renewable resources, he was the first Inuk to hold this position and encouraged the hiring of Inuit into the department. In 1982, Irniq was appointed the first Speaker of the Keewatin Council, a position he held until 1983. Elected [president of the Keewatin Inuit Association, he served in this capacity for five years.