2017 Australian Open – Boys' singles

Zsombor Piros won the title, defeating Yshai Oliel in the final, 4–6, 6–4, 6–3.

Oliver Anderson was the defending champion, but was no longer eligible to participate in junior events.

Seeds
• # 🇨🇳 Wu Yibing (semifinals)

• # Hsu Yu-hsiou (third round)

• # 🇩🇪 Marvin Möller (first round)

• # 🇮🇱 Yshai Oliel (final)

• # 🇫🇷 Corentin Moutet (semifinals)

• # Duarte Vale (third round)

• # 🇦🇺 Alexei Popyrin (second round)

• # 🇯🇵 Naoki Tajima (first round)

• # 🇯🇵 Toru Horie (first round)

• # 🇺🇸 Trent Bryde (first round)

• # 🇹🇷 Ergi Kırkın (second round)

• # 🇵🇱 Kacper Żuk (first round)

• # 🇨🇳 Zhao Lingxi (first round)

• # 🇫🇷 Dan Added (second round)

• # 🇭🇺 Zsombor Piros (champion)

• # Alberto Lim (second round)

Seeds
• # 🇰🇷 Park Ui-sung (first round)

• # 🇦🇺 Benard Bruno Nkomba (qualified)

• # Ien Schouten (qualified)

• # 🇨🇾 Menelaos Efstathiou (qualified)

• # 🇭🇰 Lam Ching (first round)

• # 🇹🇭 Vorachon Rakpuangchon (first round)

• # 🇯🇵 Seita Watanabe (qualifying competition)

• # 🇹🇭 Palaphoom Kovapitukted (qualifying competition)

• # Jesper de Jong (qualified)

• # 🇨🇳 Mo Yecong (qualifying competition)

• # 🇭🇰 Ming-chun Alan Sou (first round)

• # 🇰🇷 Sung Yo-han (qualifying competition)

• # Philip Henning (qualified)

• # 🇮🇳 Nitin Kumar Sinha (first round)

• # 🇺🇸 Tristan Boyer (qualified)

• # 🇦🇺 Campbell Salmon (qualifying competition)

Qualifiers
• # 🇺🇸 Tristan Boyer

• # 🇦🇺 Benard Bruno Nkomba

• # Ien Schouten

• # 🇨🇾 Menelaos Efstathiou

• # 🇯🇵 Yuta Kikuchi

• # 🇦🇺 Ken Cavrak

• # Philip Henning

• # Jesper de Jong

Lucky losers
• # 🇦🇺 Rinky Hijikata