| Type: | bishop |
| Mgr. Isak Doera | |
| Church: | Catholic Church |
| Appointed: | May 19, 1977 |
| Successor: | Agustinus Agus |
| Ordination: | January 18, 1959[1] |
| Consecration: | May 19, 1977 |
| Birth Name: | Isak Doera |
| Birth Date: | September 29, 1931 |
| Death Date: | May 19, 2012 |
| Death Place: | Jakarta |
| Nationality: |  Indonesia |
| Religion: | Catholic |
Isak Doera (September 29, 1931 - May 19, 2012) was an Indonesian Roman Catholic bishop.
Ordained in 1959, Doera was named a bishop of the Roman Catholic Diocese of Sintang, Indonesia in 1976. He resigned in 1996. He died on May 19, 2012, in Jakarta due to complications of his diseases and nervous problems.[2]