The Portuguese midfielder has already worn the armband for United on numerous occasions and Erik ten Hag has confirmed that he will now lead the team on a permanent basis.
Fernandes has scored 64 goals and contributed 54 assists in just 185 games for the club since joining in 2020.
As captain, the two-time Sir Matt Busby Player of the Year will continue to drive the highest standards throughout the squad as United push for success in the 2023/24 season and beyond.