Layachi Yaker (Arabic: العياشي ياكر; 11 January 1930 – 25 November 2023) was an Algerian diplomat and politician of the National Liberation Front.

[1] The eldest of twelve children, Layachi Yaker was born on January 11, 1930, in Souk-Ahras in a family from Tamazirt, commune of Irdjen, Tizi Ouzou.

Sent to Paris by his firm in order to become a chartered accountant, he was elected vice-president of the General Union of Algerian Muslim Students in July 1955.

After Algeria's independence in July 1962, Layachi Yaker returned to the country and was appointed a senior official at the Ministry of Foreign Affairs.

He served as Special Advisor to the Director-General of UNESCO in Paris until 1992, and then as Executive Secretary of the Economic Commission for Africa (ECA) from 1992 to 1995 in Addis Ababa (Ethiopia)[8] and Deputy Secretary-General of the UN.