Hor Namhong GCC GOM (Khmer: ហោ ណាំហុង, Haô Nămhŏng [hao nam.hong]; born 15 November 1935)[1] is a Cambodian diplomat who served in the government of Cambodia as Minister of Foreign Affairs from 1990 to 1993[2] and again from 1998 to 2016.

Born at Phnom Penh, Hor Namhong was educated at the École royale d'administration (diplomatic section) in Cambodia.

[1] Between 1967 and 1973 Hor Namhong served at the Embassy of Cambodia in Paris, which became the mission of the exiled Royal Government of National Union of Kampuchea (GRUNK) in 1970.

[5][6] On April 27, 2011, Hor Namhong lost a defamation suit in the French Supreme Court in which he claimed he was innocent of atrocities committed during the Khmer Rouge regime from 1975 through 1979.

The undated cable claimed that Namhong "became head of the Beng Trabek (sic) camp and he and his wife collaborated in the killing of many prisoners.