Valentin Vacherot

Valentin Vacherot (French:; born 16 November 1998) is a Monégasque professional tennis player. He has a career-high ATP singles ranking of world No. 16 achieved on 4 May 2026, making him the highest-ranked Monégasque singles player in history. He is the current No. 1 Monaco singles player. He also has a best doubles ranking of No. 104 achieved on 4 May 2026.

Vacherot played college tennis at Texas A&M.

In 2025, Vacherot became the first player from his nation to win an ATP Tour singles title and the lowest ranked champion in Masters 1000 history (since 1990) in Shanghai. He also became the first Monégasque player to reach the top 50, and later the top 20 in singles, and to record a Top 10 win.

Vacherot represents Monaco at the Davis Cup, where he has a win–loss record of 10–3.