Jenna Laukkanen (born 2 March 1995) is a Finnish swimmer with a specialty in the breaststroke.

In the 2015 European Short Course Swimming Championships, Laukkanen won gold medals in the 50m and 100m breaststroke.

At the 2016 European Aquatics Championships, she won bronze medals in the 50m breaststroke and the 4 × 100 m medley.

She competed for Team Finland at the 2016 Summer Olympics in Rio de Janeiro, Brazil.

In 2019 she was a member of the 2019 International Swimming League representing Team Iron.