| Cheonan Junction | |
|---|---|
| 천안 분기점, 天安分岐點 | |
 | |
| Location | |
| Dongnam-gu, Cheonan, South Chungcheong, South Korea | |
| Coordinates | 36°46′07″N 127°10′57″E / 36.768639°N 127.182389°E |
| Roads at junction |  Gyeongbu Expressway Nonsan–Cheonan Expressway Asan–Cheongju Expressway |
| Construction | |
| Type | Y-shape |
| Constructed | by Korea Expressway Corporation |
| Opened | December 23, 2002 |
Cheonan Junction (Korean: 천안 분기점; Hanja: 天安分岐點), shortly Cheonan JC, is a junction located in Dongnam-gu, Cheonan, South Chungcheong, South Korea. Gyeongbu Expressway (No. 1), Nonsan–Cheonan Expressway (No. 25), and Asan–Cheongju Expressway (No. 32) meet here. The type of junction is Y-shape junction. Asan–Cheongju Expressway will be opened, and Cheonan JC – Oksan JC segment will be overlapped with Gyeongbu Expressway and Asan–Cheongju Expressway in January 2018.