Jokinen has represented his native Finland on numerous occasions. He first played with the Finnish national junior team at the under-18 level in the 1996 European Junior Championship. He joined the under-20 team one year later for the 1997 World Junior Championship, scoring five goals in six games. He made his debut with the senior team that same year, finishing second in team scoring with six points in eight games at the 1997 World Championship.