Louis Croenen (born 4 January 1994) is a Belgian competitive swimmer. He competed in the 4 ÃÂ 200 metre freestyle relay event at the 2012 Summer Olympics. In 2016 he competed at the 2016 Summer Olympics in the men's 200 metre butterfly event and the men's 4 x 200 metre freestyle relay event.
He has qualified to represent Belgium at the 2020 Summer Olympics.