Édgar Arnold Alarcón Tejada (born 9 May 1961) is a Peruvian accountant who served as Comptroller General of the Republic of Peru from June 9, 2016 to July 4, 2017. He was a Congressman representing Arequipa from 16 March 2020 until he was removed from office in April 2021. Alarcón belongs to the Union for Peru.