Guðmundur Eiríksson (October 26, 1947 in Winnipeg, Manitoba, Canada) is an Icelandic Judge and Law Professor. He is currently serving as a Judge on the Arbitral Tribunal in the Dispute concerning the Detention of Ukrainian Naval Vessels and Servicemen (Ukraine v. the Russian Federation) which is being conducted under Annex VII to the United Nations Convention on the Law of the Sea. He has served as an Ambassador of Iceland, a member of the United Nations International Law Commission and as a Judge and Judge ad hoc at the International Tribunal for the Law of the Sea.