This article lists the national football squads for the 1990 FIFA World Cup final tournament held in Italy, between 8 June and 8 July 1990. Each country's final squad consisted of 22 players and had to be confirmed by 29 May. Replacement of injured players was permitted during the tournament at the discretion of FIFA.

Full rosters of the National Teams that played in the 1990 Football World Cup with players, jersey numbers, date of birth and other data.