Wah Yan College, Hong Kong (WYCHK ; demonym: Wahyanite, pl.: Wahyanites) is an eminent grant-in-aid secondary school in Hong Kong. It was founded on 16 December 1919, by Tsui Yan Sau Peter (1889–1980). It is a Roman Catholic secondary school for boys run by the Chinese Province of the Society of Jesus. Fully subsidized by the Government of Hong Kong, it is a grammar school using English as the medium of instruction. It has an enrolment of approximately 960 with 58 teachers and Irish Jesuit Fathers. The Supervisor of the College is Rev. Fr. Stephen Chow, S.J., who is an alumnus of the College, a Roman Catholic Jesuit priest, and an educational psychologist with a Doctor of Education (Ed.D.) degree from Harvard University. The current Principal of the College is Mr. Tam Siu Ping, George. The College was founded by Mr Tsui Yan Sau Peter on 16 December 1919 on the 2nd floor of 60 Hollywood Road. On the first day of lessons, there were only 4 students. In subsequent years, the College has also used 54A Peel Street and 33 Mosque Junction as campuses.