Gabriel Décamps (born 7 August 1999) is a Brazilian tennis player. Décamps has a career-high ATP singles ranking of world No. 262, achieved on 19 September 2022 and a doubles ranking of No. 406, achieved on 6 March 2023.
Décamps played college tennis at Central Florida.
In April 2023, he announced his temporary withdrawal of professional tennis due mental health issues. In September of that year, he returned to tennis activities.