卡西族
Before the arrival of Christian missionaries, the majority of the Khasi people practiced an indigenous tribal religion. Though around 85% of the Khasi populace have embraced Christianity, a substantial minority of the Khasi people still follow and practice their age-old indigenous religion, which is known as and . The main Christian denominations followed by the Khasis include Catholicism, Anglicanism, Presbyterianism (largest Christian denomination among the Khasis), and others. There are also a small number of Khasis, as a result of inter-community marriages, who are Muslims. There are also followers of Khasi Unitarianism as founded by Hajom Kissor Sing Lyngdoh Nongbri.