| K-1 World Grand Prix 2004 Final | |
| Promotion: | K-1 |
| Date: | December 4, 2004 |
| Venue: | Tokyo Dome |
| City: |  Tokyo, Japan |
| Attendance: | 64,819 |
| Previousevent: | K-1 Fighting Network Rumble on the Rock 2004 |
| Followingevent: | K-1 Challenge 2004 Oceania vs World |
K-1 World Grand Prix 2004 Final was a kickboxing event promoted by the K-1 organization. It was the twelfth K-1 World Grand Prix final, involving twelve of the world's best K-1 fighters (four being reservists) from eight countries, with all bouts fought under K-1 Rules (100 kg/156-220 lbs). The tournament qualifiers had almost all qualified via the K-1 World Grand Prix 2004 Final Elimination with the exception of Remy Bonjasky who was the reigning champion.
The tournament winner was Remy Bonjasky who won his second consecutive K-1 World Grand Prix title by defeating Musashi in the final by second extra round unanimous decision in a repeat of the previous years final. The tournament was also notable for the inclusion of Kaoklai Kaennorsing who was the youngest (21 years) and lightest (172 lbs) competitor to ever participate in a K-1 World Grand Prix final. During the course of the competition Kaoklai managed to get to the Semi Finals by defeating the heaviest competitor at this year's finals, Mighty Mo, who weighed in at 280 lbs. The event was held at the Tokyo Dome in Tokyo, Japan on Saturday, December 4, 2004 in front of 64,819 spectators.[1]
Source:[2]
Reserve Fight 1: K-1 Rules / 3Min. 3R Ext. 2R
Jérôme Le Banner 
vs Hiromi Amada
Le Banner defeated Amada by KO (2 Knockdown, Left Low Kick) at 1:03 of the 2nd Round.
Quarter Finals: K-1 Rules / 3Min. 3R Ext. 1R
Kaoklai Kaennorsing 
vs Mighty Mo 
Kaennorsing defeated Mo by KO (Right High Kick) at 2:40 of the 1st Round.
Musashi defeated Sefo by Extra Round Unanimous Decision 3-0 (9.5-9, 10-9.5, 10-9.5). After 3 rounds the judges had scored it a Decision Draw (28.5-29, 30-30, 29-28.5).
Botha defeated Aerts by KO (2 Knockdown, Leg Injury) at 1:13 of the 1st Round.
Remy Bonjasky 
vs Ernesto Hoost
Bonjasky defeated Hoost by Extra Round Unanimous Decision 3-0 (10-9.5, 10-9.5, 10-9.5). After 3 rounds the judges had scored it a Decision Draw (29-29, 30-30, 29-28.5).
Reserve Fight 2: K-1 Rules / 3Min. 3R Ext. 2R
Goodridge defeated Abidi by KO (2 Knockdown, Right Hook) at 3:00 of the 1st Round.
Semi Finals: K-1 Rules / 3Min. 3R Ext. 1R
Kaoklai Kaennorsing vs Musashi
Musashi defeated Kaennorsing by Extra Round Unanimous Decision 3-0 (10-9.5, 10-9.5, 10-9.5). After 3 rounds the judges had scored it a Decision Draw (30-30, 29.5-29.5, 30-29.5).
Francois Botha vs Remy Bonjasky
Bonjasky defeated Botha by 3rd Round Unanimous Decision 3-0 (27.5-25.5, 28.5-27.5, 28.5-27.5).
Final: K-1 Rules / 3Min. 3R Ext. 2R
Bonjasky defeated Musashi by 2nd Extra Round Unanimous Decision 3-0 (10-9, 10-9.5, 10-9.5). After 3 rounds the judges scored it a Majority Draw in favour of Bonjasky (28.5-28, 28.5-27.5, 29-29). After the 1st Extra Round the judges scored it Majority Draw in favour of Bonjasky (9.5-9.5, 10-9.5, 9.5-9.5)
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