João Domingues (born 5 October 1993) is a Portuguese tennis player who currently competes mostly on the ATP Challenger Tour.

In 2015, Domingues made his debut for Portugal Davis Cup team.

[3] In February 2020, he achieved a career-high singles world ranking No.

[4] Current through the 2022 Australian Open.

Domingues debuted for the Portugal Davis Cup team in 2015 and has played 2 matches in 2 ties.