The Portsmouth Centenary Tournament was an invitational football tournament to celebrate the centenary of Portsmouth FC at Fratton Park, Portsmouth.

The only edition took place between 1 and 2 August 1998.

It was contested by four teams.

Source:[1][2][3][4][5][6] Genoa beat Portsmouth 8–7 on penalties.

Sochaux beat Wimbledon 4–3 on penalties.