The 1987–88 season was Sport Lisboa e Benfica's 84th season in existence and the club's 54th consecutive season in the top flight of Portuguese football, covering the period from 1 July 1987 to 30 June 1988. Benfica competed domestically in the Primeira Divisão, and the Supertaça Cândido de Oliveira, and participated in the European Cup after winning the previous league.