Chogye Trichen Rinpoche (Wyl. bco brgyad khri chen) aka Ngawang Khyenrab Thupten Lekshé Gyatso (Wy. ngag dang mkhyen rab thub bstan legs bshad rgya mtsho) (1920-2007) was the head of the Tsarpa branch of the Sakya school.