| Competition: | Daum K3 League |
| Season: | 2008 |
| Winners: | Yangju FC (1st title) |
| Best Player: | Choi Yoon-seok |
| League Topscorer: | Park Jong-yoon (25 goals)[1] |
| Matches: | 228 |
| Total Goals: | 1003 |
| Prevseason: | 2007 |
| Nextseason: | 2009 |
The 2008 K3 League was the second season of amateur K3 League. It consisted of two regular stage and final playoffs. The winners of each stage and the top two clubs of the overall table qualified for the league playoffs and the 2009 Korean FA Cup. The fifth-placed team also qualified for the Korean FA Cup.
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----2–2 on aggregate; Yangju FC won on away goals.