The 1993–94 Primeira Divisão was the 60th edition of top flight of Portuguese football.
It started on 22 August 1993 with a match between Estoril-Praia and Beira-Mar, and ended on 2 June 1994.
The league was contested by 18 clubs with Porto as the defending champions.
Porto qualified for the 1994–95 European Cup Winners' Cup first round, and Sporting CP, Boavista and Marítimo qualified for the 1994–95 UEFA Cup; in opposite, Paços de Ferreira, Famalicão and Estoril-Praia were relegated to the Liga de Honra.
Tirsense, Espinho and Chaves, were consigned to the Liga de Honra following their final classification in 1992-93 season.