| K-1 World Grand Prix 2009 Final 16 | |
| Promotion: | K-1 |
| Date: | September 26, 2009 |
| Venue: | Olympic Gymnastics Arena |
| City: | Seoul, Republic of Korea |
| Attendance: | 15,417 |
| Previousevent: | K-1 ColliZion 2009 Romania Qualification Round |
| Followingevent: | K-1 ColliZion 2009 Final Elimination |
K-1 World Grand Prix 2009 in Seoul Final 16 was a martial arts event held by the K-1 on Saturday, September 26, 2009 at the Olympic Gymnastics Arena in Seoul, Korea. It was the Final Elimination tournament for top sixteen fighters. The winners qualified for the K-1 World Grand Prix 2009 Final held on December 5, 2009 at Yokohama Arena, Japan.[1]
The eight finalists from K-1 World Grand Prix 2008 Final were automatically qualified, except Gokhan Saki who could not compete due to an injury, the eighth spot was filled by K-1 Super-heavyweight champion, Semmy Schilt, then four World GP 2009 tournament winners from the Yokohama, Lodz, Seoul and Final 16 Qualifying GP. The last four spots were selected by fan voting.
| Opening bouts: K-1 rules / 3Min. 3R | |
 Hyun Man Myung def. Taisei Ko  | |
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|---|---|
| Min Ho Song def. Nae Chul Kim | |
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| Women's Special bout: K-1 rules / 2Min. 3R Ext.1R/53 kg | |
Su Jeong Lim def. Chen Qing  | |
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| Special bout: K-1 rules / 3Min. 3R Ext.1R | |
Chi Bin Lim def. Tahir Menxhiqi  | |
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| Superfight: K-1 rules / 3Min. 3R Ext.1R | |
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| K-1 World GP 2009 Final 16 Elimination bouts: K-1 rules / 3Min. 3R Ext. 2R | |
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 Errol Zimmerman def Glaube Feitosa  | |
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 Ruslan Karaev def Kyotaro | |
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Ewerton Teixeira vs Singh Jaideep  | |
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 Jerome Le Banner vs Musashi | |
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 Badr Hari def. Zabit Samedov  | |
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