Andreas D. Mavroyiannis (Modern Greek: Ανδρέας Δ. Μαυρογιάννης; born 20 July 1956) is a Cypriot politician and lawyer, who previously served as Ambassador to the United Nations, in addition to several other diplomatic postings.

Andreas Mavroyiannis served in the governments of Nicos Anastasiades and Demetris Christofias.

[1] He was the negotiator of the majority Greek Cypriot community in the Cyprus reunification talks between 2013 and 2022,[2] and between 2011 and 2013, served as Deputy Minister for European Affairs.

In the 2023 Cypriot presidential election, he was running as an independent candidate supported by the Progressive Party of Working People (AKEL) and Generation Change.

[5] Andreas Mavroyiannis is a member of the International Law Commission of the United Nations for a five years mandate (2023-2028).