Marco Antonio Loughran (born 24 March 1989) is an English-born British competitive swimmer who has represented Great Britain at the Olympics and FINA world championships, European Championships and Wales in the Commonwealth Games.

He then accepted a full athletic scholarship to attend the University of Florida in Gainesville, Florida, where he trained and competed with coach Gregg Troy's Florida Gators swimming and diving team in National Collegiate Athletic Association (NCAA) and Southeastern Conference (SEC) competition in 2009 and 2010.

In both of years Marco swam at UF, he recorded the fastest Men’s 200 yard backstroke in the NCAA prior to the March finals.

[2] In June 2015, Loughran and his girlfriend Jeanette Ottesen were attacked in a road rage incident in Copenhagen, during which he sustained several injuries.

[3] In 2016, he and Jeanette wed at a private ceremony in Copenhagen and welcomed their baby daughter Billie-Mai in December 2017.

Loughran's father hails from Caerleon, Wales whilst his mother is from Venezuela[4]