| Native Name: | Кубано-Черноморская Советская Республика |
| Conventional Long Name: | Kuban-Black Sea Soviet Republic |
| Common Name: | Kuban |
| Subdivision: | Republic |
| Nation: | the Russian SFSR |
| P1: | Kuban Soviet Republic |
| Flag P1: | Socialist red flag.svg |
| P2: | Black Sea Soviet Republic |
| Flag P2: | Socialist red flag.svg |
| S1: | North Caucasian Soviet Republic |
| Flag S1: | Socialist red flag.svg |
| Title Leader: | Chairman of the Central Executive Committee |
| Leader1: | Avran Rubin |
| Year Leader1: | 1918 |
| Era: | Russian Civil War |
| Date Start: | 30 May |
| Year Start: | 1918 |
| Event End: | Merged |
| Date End: | 6 July |
| Year End: | 1918 |
The Kuban-Black Sea Soviet Republic (May 30 - July 6, 1918) was a short-lived republic of the Russian SFSR. Its capital was Yekaterinodar, now known as Krasnodar.
It was created by merging the Black Sea Soviet Republic and Kuban Soviet Republic. Later, it was itself merged into the North Caucasian Soviet Republic. The leader of the republic was Avran Rubin.