2003 IBF World Championships – Men's singles

The 2003 IBF World Championships (World Badminton Championships) took place in the National Indoor Arena in Birmingham, England, between July 28 and August 3, 2003. Following the results in the men's singles.

Seeds
• #🇨🇳 Chen Hong

• # Kenneth Jonassen

• # Taufik Hidayat

• # Anders Boesen

• #🇨🇳 Xia Xuanze

• # Sony Dwi Kuncoro

• #🇭🇰 Agus Hariyanto

• #🇰🇷 Lee Hyun-il

• # Wong Choong Hann

• # Ronald Susilo

• #🇨🇳 Ji Xinpeng

• #🇯🇵 Hidetaka Yamada

• # Roslin Hashim

• #🇰🇷 Shon Seung-mo

• #🇩🇪 Björn Joppien

• #🇵🇱 Przemysław Wacha