Larsen Jensen is a swimmer who has competed for the United States.
He competed at the 2004 and 2008 Summer Olympic Games. He claimed a silver with a U.S. record time (14:45.29) in the men's 1500 metres freestyle at his Olympic debut in 2004. Four years later in Beijing, he added a bronze to his medal haul in the 400 metres freestyle with a new American record (3:42.78), trailing the winner Park Tae-hwan by almost a full second.
