Pedro L. Yap (July 1, 1918 – November 20, 2003) was the Chief Justice of the Supreme Court of the Philippines in 1988. He briefly served for two and a half months from April 19, 1988 to June 30, 1988, the shortest in history until that record was surpassed by Chief Justice Teresita de Castro.He worked in the notable Salonga, Ordoñez, Yap & Associates Law Offices, which was named after Jovito Salonga and Justice Secretary Sedfrey Ordoñez.