Kashmiri Muslims are ethnic Kashmiris who practice Islam and are native to the Kashmir Valley, an area that includes the India-administered territories of Jammu and Kashmir and Ladakh, the Pakistan-administered territories of Azad Kashmir and Gilgit-Baltistan, and the Chinese-administered territories of Aksai Chin and the Trans-Karakoram Tract. The majority of Kashmiri Muslims are Sunni. They refer to themselves as "Koshur" in their mother language.

Kashmiris are an Indo-Aryan ethnolinguistic group speaking the Kashmiri language and originating from the Kashmir Valley, which is today located in Indian-administered Jammu and Kashmir.