2023 Canberra Tennis International – Men's singles

Jordan Thompson was the defending champion but chose not to defend his title.

Márton Fucsovics won the title after defeating Leandro Riedi 7–5, 6–4 in the final.

Seeds
• # 🇭🇺 Márton Fucsovics (champion)

• # 🇪🇨 Emilio Gómez (first round)

• # 🇫🇷 Hugo Gaston (second round)

• # 🇸🇰 Norbert Gombos (quarterfinals)

• # Pavel Kotov (first round)

• # 🇮🇹 Francesco Passaro (first round)

• # 🇦🇹 Jurij Rodionov (second round)

• # 🇦🇷 Federico Delbonis (first round)