Harold Winston Forsyth Mejía (born 27 May 1951) is a Peruvian diplomat and former politician who has served as Peru's ambassador to the United States, Italy, Colombia, the People's Republic of China and Japan.

[1] He graduated from the Champagnat School in Lima and received a bachelor's degree in journalism at the Pontifical Catholic University of Peru.

[2] In his early career, Forsyth held a variety of diplomatic postings to Chile, Venezuela, Canada, and Germany, and was seconded as an international observer to elections monitoring missions in Colombia, Mexico, and Guatemala.

[3] Forsyth was compelled to resign from the Peruvian foreign service by Alberto Fujimori and, in the 1995 election, he successfully stood for election to Congress, holding his seat for a single, five-year term under the Union for Peru.

[1][3][4][5] Between his postings to Italy and China, Forsyth returned to Peru, where he served as deputy foreign minister.