| KSPSI | |
| Location Country: | Indonesia |
| Members: | 4.6 million |
| Full Name: | Confederation of All Indonesian Workers' Unions |
| Native Name: | Konfederasi Serikat Pekerja Seluruh Indonesia |
| Founded: | 20 February 1973 (FBSI) October 1994 (KSPSI) |
| Headquarters: | Jakarta |
| Key People: | Jumhur Hidayat, chairman |
The Confederation of All Indonesian Workers' Unions (Indonesian: Konfederasi Serikat Pekerja Seluruh Indonesia, KSPSI) is a national trade union center in Indonesia. It was formed from the All-Indonesia Union of Workers (Indonesian: link=no|Federasi Buruh Seluruh Indonesia, FBSI), which was the only legally registered trade union in Indonesia during the Suharto era.