 Wahi, who was married to Krishan Kumari, died on 8 July 1991, survived by their son and three daughters.The Indian Council of Medical Research has since instituted an annual award, "Dr. Prem Nath Wahi Award", to recognize excellence in the fields of cytology and preventive oncology, in honour of its former director general.The Indian Academy of Cytologists conducts an annual oration under the name, "Dr P. N. Wahi Academy Oration".