The 1997–98 season was Portsmouth's 99th in existence. A new Fratton End stand was opened on 31 October 1997. After just missing out on the play-offs the previous season, Portsmouth saw themselves in a relegation battle this season.
Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply. Players may hold more than one non-FIFA nationality.
^Simpson was born in Bradford-on-Avon, England, but also qualified to represent Jamaica internationally and made his international debut for Jamaica in 1990.
^Hall was born in Manchester, England, but also qualified to represent Jamaica internationally and made his international debut for Jamaica in 1990.