Ismael Abraão Gaspar Martins (born 12 January 1940) is an Angolan diplomat and political figure who has been Angola's Permanent Representative to the United Nations since 2001.

Born at Luanda, Martins holds a Bachelor's degree in economics from Lycoming College in Pennsylvania, United States.

From 1989 to 1995, Ismael Gaspar Martins was the Executive Director of the African Development Bank, based in Abidjan, Ivory Coast.

In a ceremony in Luanda, Ambassador Martins said he would work to help the UN play a "decisive role" in Angola as the country searches for peace, stability and development.

At the 2015 United Nations Climate Change Conference, Gaspar Martins represented the 28 Least Developed Countries (LDC Group), which negotiated as a bloc.