Moses Tay Leng Kong; 鄭靈光 (born 1938) is a retired Singaporean Anglican bishop. He was the 7th Bishop of Singapore from 1982 to 1999 and the first Archbishop of the Province of Anglican Church in South East Asia from 1996 to 2000.

Tay was educated in medicine at the University of Singapore. He practiced medicine in Malaysia for eight years.

He was Dean of the Diocese of Singapore (1974-1982). In 1982, Tay was installed as the 7th Bishop of Singapore. On 2 February 1996, he was installed as archbishop of Province of South East Asia.

In early 1982, he was posted as director of the Tan Tock Seng Hospital, following the career path that the Ministry of Health had charted, but a few months later tendered his resignation to be appointed as the Bishop of Singapore.