Park, now 33, played for United for seven years, winning four Premier League titles, three League Cups, one Champions League title and one Club World Cup, making him the most decorated Asian footballer in history.
He joins United greats such as Bobby Charlton and Alex Ferguson on the list of the club's ambassadors and will make an appearance at Old Trafford before their league game against Everton on Sunday.
"I have fond memories of my time at Manchester United and I am delighted and honoured to have become an ambassador for the club," Park said in a statement released by the club.
"Some of the best moments of my life and career were spent here and I will never forget the great support I had from the club and the fans.
"I am looking forward to once again representing United and sharing some of these memories with our global fanbase."
Park's role will involve attending events and functions on behalf of United and promoting the club's work within the community and with commercial partners.
A hard-working midfielder, Park made 100 appearances for South Korea, scoring 13 goals and playing in three World Cups.
Source : AFP
Source: AFP