Manuel Obafemi Akanji (born 19 July 1995, in Neftenbach) is a Swiss footballer who plays as a defender for Borussia Dortmund.
Akanji began his youth career with the local club in Wiesendangen. In May 2007, Akanji changed clubs and was a youth-team player for FC Winterthur. During his early years he played for their Under-18 team and later with their second team. In the 2014–15 Challenge League he was in Winterthur's starting eleven, having played two games for them during the previous season.
On 15 April 2015, it was announced that Akanji would transfer to Basel for the 2015–16 Super League season. He made his Swiss Super League debut on 26 September 2015 being substituted in against FC Lugano. Under trainer Urs Fischer Akanji won the Swiss Super League championship at the end of the 2015–16 Super League season and at the end of the 2016–17 Super League season for the second time. For the club this was the eighth title in a row and their 20th championship title in total. They also won the Swiss Cup for the twelfth time, which meant they had won the double for the sixth time in the club's history.