Ihor Mychaiylovych Sahach (Ukrainian: Ігор Михайлович Сагач) (born 19 May 1956) is a Ukrainian diplomat. Ambassador Extraordinary and Plenipotentiary of Ukraine.

Ihor Sahach graduated from Taras Shevchenko National University of Kyiv in 1978.

In 1978-1981 - he was specialist Counsellor for Economic Affairs of the Soviet Embassy in Ethiopia.

In 1982-1987 - he was junior researcher, senior laboratory Kiev Trade and Economic Institute.

In 1987-1993 - he was the 3rd secretary, 2nd secretary, 1st secretary of the Ministry of Foreign Affairs of Ukraine.

In 1993-1994 - Head of Department of Nordic and Baltic Ministry of Foreign Affairs of Ukraine.

From May 1994 to July 1997 - Charge d'Affaires of Ukraine in the Kingdom of Sweden, Counsellor of the Embassy of Ukraine in Finland.

In 1997-1998 - Deputy Head of European and transatlantic integration of the Ministry of Foreign Affairs of Ukraine.

In 1998-2001 - Deputy Chairman of the Foundation for Local Self-Government of Ukraine on international issues.

From 2001 - he was head of the United Nations and other International Organizations, Ministry of Foreign Affairs of Ukraine.

25 August 2004^[1] - 15 January 2008^[2] - Ambassador Extraordinary and Plenipotentiary of Ukraine in Norway.

On 15 January 2008^[3] - 12 May 2010^[4] - he was head of Mission of Ukraine to NATO.

On 19 March 2015 he was appointed ambassador of Ukraine in the Kingdom of Sweden.^[5]