2009 AFC Champions League knockout stage

The winners and runners-up of each of the eight groups in the group stage qualified for the knockout stage. Both West Zone and East Zone had eight teams qualified. ==Bracket==

Note: while the bracket below shows the entire knockout stage, the draw for the round of 16 matches was determined at the time of the group draw, and kept teams from East and West Asia completely separate for that round. The draw for the quarter-finals and beyond was held separately, and placed no restrictions on which teams could meet. ==Round of 16==

The draw for the round of 16 of the 2009 AFC Champions League was held on 7 January 2009, along with the draw for the group stage. West Asia ---- {{football box ---- ---- East Asia ---- ---- ---- ==Quarter-finals==

The draw for the quarter-finals and the remaining knockout rounds took place at Kuala Lumpur, Malaysia on June 29, 2009. First leg {{football box ---- {{football box ---- {{football box ---- {{football box Second leg {{football box Pohang Steelers won 5–4 on aggregate. ---- {{football box Nagoya Grampus won 4–3 on aggregate. ---- {{football box Umm-Salal won 4–3 on aggregate. ---- {{football box Al-Ittihad won 5–1 on aggregate. ==Semi-finals==

First leg {{football box ---- {{football box Second leg {{football box Al-Ittihad won 8–3 on aggregate. ---- {{football box Pohang won 4–1 on aggregate. ==Final==