Corruption in Brunei has been fought however it is not fully eradicated, with corrupt officials being called out by Bruneian politicians.

Brunei did not appear in the most recent 2024 Corruption Perceptions Index by Transparency International. The country's last appearance was in the 2020 Corruption Perceptions Index, where it scored 60/100 on a scale of 0 (“highly corrupt”) to 100 (“very clean”), ranking it 35th out of the 180 countries surveyed. The country ranked first is perceived to have the most honest public sector. For comparison with worldwide scores, the best score was 88 (ranked 1), the average score was 43, and the worst score was 12 (ranked 180). For comparison with regional scores, the best score among the countries of the Asia Pacific region was 88, the average score was 45 and the worst score was 18.

According to the 2023 Freedom in the World report, conducted by Freedom House Brunei was given 3/4 in the section stating “Are safeguards against official corruption strong and effective?”.

In 2020, two former judges were convicted for embezzlement of over millions of dollars from government controlled accounts.