Arthur Lenk (Hebrew: ארתור לנק, born 1964), is an Israeli diplomat who served as Israel's ambassador to South Africa, Lesotho and Swaziland from August 2013 to July 2017.

Lenk was awarded an "outstanding diplomat" citation by Ministry of Foreign Affairs for his role within a group that coordinated Israel's initiative for the January 2005 United Nations Special Session commemorating the Sixtieth Anniversary of the freeing of Europe's Concentration Camps.

[3] Between 2002 and 2005 Lenk also served as an Israeli Government spokesman and a lecturer on foreign affairs and diplomacy, briefing and appearing on a range of international media sources including CNN, BBC,[4] Le Monde[5] and NPR.

In the fall semester of 2003, he also taught a graduate seminar in Foreign Policy, International Law and the Arab-Israel Conflict at the Herzog Center for Middle East Studies and Diplomacy, Ben Gurion University of the Negev, in Beersheba.

Additionally, an association of Azerbaijani immigrants to Israel, AZIS, was formed in April 2007, to serve as a bridge between the societies and promote relations.

Trade ties also dramatically grew with Israel significantly increasing its energy purchases from Azerbaijan and developing investment and exports in a number of sectors including agriculture, infrastructure and telecommunications.

According to figures published by Israel's Central Bureau of Statistics, Israeli exports to Azerbaijan grew by nearly 5000 percent during Lenk's tenure as ambassador.

[7] Serving as the director of the Department of International Law in the Office of the Legal Adviser of Israel's Ministry of Foreign Affairs, Lenk rejoined the Office of the Legal Adviser following the conclusion of his tenure as Israel's ambassador to Azerbaijan in 2009, and worked from 2010 through 2013 as the Ministry's director of the Department of International Law.

During the 2014 Israel-Gaza conflict Lenk played an active role in representing Israel's position in South African traditional and social media.