Doumbia earned his first international cap for Ivory Coast in a friendly against Japan during the Kirin Cup on 24 May 2008. He scored his first international goal in a friendly against Germany on 18 November 2009 in a 2–2 draw. He was selected for Ivory Coast in the 2010 World Cup, but only made one appearance, as a 79th-minute substitute for Romaric, in the 3–0 win against North Korea. Doumbia was selected for the Ivory Coast national team for the 2012 Africa Cup of Nations. Doumbia announced his retirement from international competition after failing to make the Ivory Coast’s squad for the 2014 FIFA World Cup. But Doumbia was later called back by new coach Hervé Renard for the 2015 Africa Cup of Nations qualifiers and he returned to the national team. At the 2015 Africa Cup of Nations finals, Doumbia scored les Éléphants’ first goal of the tournament during their opening 1–1 draw with Guinea. He became 2015 Africa Cup of Nations champion with the Ivory Coast national football team.