Sergio Lasam Utleg, D.D., (born in Solana, Cagayan, September 11, 1943), is a prelate of the Roman Catholic Church in the Philippines. He is the former Archbishop of Tuguegarao in Tuguegarao, Philippines and succeeded Archbishop Diosdado Talamayan. On October 18, 2019, his resignation was accepted by Pope Francis, appointing Alaminos Bishop Ricardo Baccay as his successor.