X/1106 C1, also known as the Great Comet of 1106, was a great comet that appeared on 2 February 1106, and was observed across the world from the beginning of February through to mid-March.
1106年大彗星的臨時名稱是X/1106 C1，出現在1106年2月2日，整個二月，一直到三月中旬都能看見。