Jorma Aksel Kortelainen (17 December 1932 - 27 December 2012) was a Finnish cross-country skier and rower who competed in the 1950s.
Kortelainen was born in Pyhäselkä. He won a silver medal at the 1956 Winter Olympics in Cortina d'Ampezzo in the 4 x 10 km relay. He was also a successful rower who took part at the 1960 Summer Olympics in Rome.
Kortelainen died in Jyväskylä, at the age of 80, as a result of sepsis while being treated at the local hospital.