منتخب غانا لكرة القدم
Otoo's first call up for the Ghana national football team was for a friendly match against Argentina national football team, and Otoo earned his debut in the match on 1 October 2009. Otoo was included in the preliminary Ghana national football team squad for the 2014 African Nations Championship in which the Ghana national football team squad finished runner-up at the 2014 African Nations Championship.