| 25th Infantry Division | |
|---|---|
| 제25보병사단 | |
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| Active | April 21 1953 – present |
| Country |  South Korea |
| Branch |  Republic of Korea Army |
| Type | Infantry |
| Size | Division |
| Part of | I Corps |
| Garrison/HQ | Yangju, Gyeonggi Province |
| Nickname(s) | Biryong (Flying Dragon) |
| March | 25th Division Hymn |
| Commanders | |
| Current commander | Maj. Gen. Go Tae-nam |
The 25th Infantry Division (Korean: 제25보병사단, Hanja: 第二十五步兵師團) ("Biryong Unit ") is a Republic of Korea Army military formation and it is one of three infantry divisions founded near the end of the Korean War. One of the regiment's reconnaissance companies from the 25th infantry division found the North Korean-made 1st infiltration tunnel on November 15, 1974.