Kayhan Kalhor (Persian: كيهان كلهر), born 1963, is an Iranian kamancheh player of Kurdish descent.
Kayhan Kalhor was born in Tehran, Iran. He began studying music at seven years of age. By age thirteen he was playing in the National Orchestra of Radio and Television of Iran. Continuing his music studies under various teachers, he studied in the Persian radif tradition and also travelled to study in the northern part of Khorasan province, where music traditions have Kurdish and Turkic influences as well as Persian.