Thích is a name that Vietnamese monks and nuns take as their Buddhist surname to show affinity with the Buddha.
Notable Vietnamese monks with the name include:
Thích Huyền Quang (1919–2008), political dissident and activist Thích Quảng Độ (1928–2020), critic of the Vietnamese government Thích Quảng Đức (1897–1963), who burned himself to death as a protest Thích Nhất Hạnh (1926–2022), Zen teacher, author, and peace activist Thích Nhật Từ (born 1969), public speaker and author Thích Thanh Từ (born 1924), author and teacher Thích Trí Quang (1924–2019), Mahayana leader of South Vietnam's Buddhist majority in 1963
See also Thích Ca Phật Đài, temple in Vũng Tàu, Vietnam