Bruno Stagno Ugarte (born 1970) was the Minister of Foreign Affairs of Costa Rica from 2006 to 2010 and was the president of the Assembly of States Parties of the International Criminal Court (ICC) from 2005 to 2008.

Stagno's term at the ICC expired in 2008, and he was succeeded by Christian Wenaweser of Liechtenstein.

Stagno became the Minister of Foreign Affairs of Costa Rica on 8 May 2006 and served for a full four-year term under President and Nobel Peace Prize laureate Oscar Arias Sanchez.

He established diplomatic relations with 21 countries and led Costa Rica's participation as a Non-Permanent Member of the Security Council in 2008-2009 as well as negotiations for free trade agreements, and related agreements, with China (2008) and the European Union (2010).

Stagno is Deputy Executive Director at Human Rights Watch, responsible for Global Advocacy, and sits on numerous boards and advisory groups, including the Carter Center, Crisis Action, Global Center for the Responsibility to Protect, among others.