| Kumagawa | |
| Type: | Limited express |
| First: | 1959 |
| Operator: | JR Kyushu |
| Line Used: | 110round=5NaNround=5 |
| Stock: | KiHa 185 series DMU |
The is a limited express train service in Japan operated by Kyushu Railway Company (JR Kyushu), which runs between and .
The Kumagawa was first introduced from 1 April 1959 as a semi-express service between and . From 5 March 1966, the train was upgraded to become an express service.[1]