Patrick O'Shaughnessy (born 29 January 1993) is a Finnish footballer who plays as a defender for Finnish club HPS.
O'Shaughnessy was born in Riihimäki on 29 January 1993, the son of a Finnish mother and Irish father (Robert, a painter from Galway). He holds both Finnish and Irish citizenship. His younger brother Daniel is also a footballer who plays for HJK and the Finland national team.
O'Shaughnessy made his Veikkausliiga debut on 15 April 2012, appearing as a starter against TPS. After being released in winter 2013, he signed for Pallokerho-35 in April 2014.
O'Shaughnessy has represented Finland at age-group level. In November 2013, he expressed an interest in playing for Ireland, stating that he felt "more Irish than Finnish". He said, "I think maybe it has to do with my personality and it would make my father very proud if I played for Ireland."