Roope Samuel Suomalainen (born 6 September 1973 in Kotka) is a retired Finnish sailor, who specialized in the Laser class. He represented his nation Finland in two editions of the Olympic Games (2000 and 2004), and has also been training throughout most of his sporting career for Kotka Yacht Club (Finnish: Kotkan Pursiseura) in his native Kotka. Suomalainen made his official debut at the 2000 Summer Olympics in Sydney, where he placed seventeenth in the Laser class with a net grade of 127, surpassing Hungary's Tamas Eszes by a single mark in total.