Valentin Royer (born 29 May 2001) is a French tennis player who plays mainly on the ATP Challenger Tour.

[1] Royer was born from French parents, but lived in Eastern European countries until he was 17 years-old, including the Czech Republic, Serbia, and Poland.

[3] In May, Royer won his first ITF title in Ulcinj, Montenegro, defeating Samuel Vincent Ruggeri in the final.

In April, he defeated Dennis Novak at ITF Tour event in Oeiras, Portugal to ensure a ranking high enough to make his debut in senior qualifying for a Grand Slam at the 2024 French Open.

[11] In September, Royer won his maiden Challenger title in Sibiu, Romania, defeating compatriot Luka Pavlovic in straight sets in the final.