Internationally, Jokinen has played for Finland on numerous occasions. He was an all-star and named best forward of the 1998 World Junior Ice Hockey Championships, leading his nation to the gold medal. He is a four-time Olympian, winning a silver medal at the 2006 Winter Olympics in Turin and bronze at the 2010 and 2014 Winter Olympics in Vancouver and Sochi, respectively. He has also won two silver and three bronze medals at the World Championships and played for the Finnish team that finished second to Canada at the 2004 World Cup of Hockey.