Stephen McKenna is an Irish professional boxer. As an amateur he won a gold medal at the 2015 Commonwealth Youth Games and silver at the European Youth Championships in the same year.

As an amateur McKenna compiled a record of 155–24. In 2015 he won gold medals at the Irish National Championships and Commonwealth Youth Games, and silver at the European Youth Championships, all in the light-flyweight division.

In 2017 he moved up to the bantamweight division, winning a silver medal at the Irish National Championships