The 2001–02 Primeira Liga was the 68th edition of top flight of Portuguese football.
It started on 11 August 2001 with a match between Varzim and Benfica, and ended on 6 May 2002.
Porto and Leixões from the third division qualified for the 2002–03 UEFA Cup; in opposite, Salgueiros, Farense and Alverca were relegated to the Segunda Liga.
Campomaiorense, Desportivo das Aves and Estrela da Amadora, were consigned to the Segunda Liga following their final classification in 2000–01 season.
The other three teams were replaced by Santa Clara, Varzim and Vitória de Setúbal from the Segunda Liga.