The 36 year-old announced the news on social media.
Paul McShane has announced his retirement from football at the age of 36.
The Wicklow native won 33 caps for the Republic of Ireland and will now focus on coaching at Manchester United's academy.
Throughout his career, he played for United, Sunderland, West Brom, Hull City and West Brom amongst others.
McShane says it's a great way to end his career and he's looking forward to helping the next generation of young players coming through at Old Trafford.
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