2020–21 FC Porto season

The 2020–21 season was Futebol Clube do Porto's 111th competitive season and 87th consecutive season in the top flight of Portuguese football. In addition to the domestic league, Porto participated in this season's editions of the Taça de Portugal, the Taça da Liga and the UEFA Champions League. The season started on 19 September 2020 and concluded on 19 May 2021.

On 23 December 2020, Porto defeated Benfica 2–0 to win the 42nd edition of the Supertaça Cândido de Oliveira, securing their first title of the season and a record-extending 22nd win in the competition.

Technical staff
{| class=wikitable !Position !Staff
 * Head coach || Sérgio Conceição
 * rowspan=2| Assistant coaches || Vítor Bruno
 * 🇫🇷 Siramana Dembélé
 * Goalkeeper coach || Diamantino Figueiredo
 * Exercise Physiologist ||  Eduardo Oliveira
 * 🇫🇷 Siramana Dembélé
 * Goalkeeper coach || Diamantino Figueiredo
 * Exercise Physiologist ||  Eduardo Oliveira
 * Exercise Physiologist ||  Eduardo Oliveira
 * Exercise Physiologist ||  Eduardo Oliveira

Pre-season and friendlies
The club's pre-season was shorter due to the late finish of the previous season (1 August 2020) caused by the COVID-19 pandemic. Porto played six matches at home against other Portuguese teams and, unlike previous seasons, there was no official presentation match.

Matches
The league fixtures were announced on 28 August 2020.

Group stage
The group stage draw was held on 1 October 2020.

Round of 16
The draw for the round of 16 was held on 14 December 2020.

Quarter-finals
The draw for the quarter-finals was held on 19 March 2021.

Appearances and discipline
Numbers in parentheses denote appearances as substitute.