Omar Ali Saifuddin II
| Became Sultan: | 1829 |
| Predecessor: | Muhammad Alam |
| Date of Death: | 1852 |
| Place of Death: | Brunei Town |
| Successor: | Abdul Momin |
Omar Ali Saifuddin II (died 1852) was the Sultan of Brunei from 1829 until 1852. He was the son of Sultan Muhammad Jamalul Alam I. He became Sultan after overthrowing the then Sultan, his cousin Muhammad Alam. On Omar's death in 1852, he was succeeded by a cousin, Abdul Momin.
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