The Brahmajāla Sūtra (traditional Chinese: 梵網經; ; pinyin: Fànwǎng jīng; Japanese pronunciation: Bonmōkyō), also called the Brahma's Net Sutra, is a text of Mahayana Buddhism. It is known alternatively as the Brahmajāla Bodhisattva śīla Sūtra (traditional Chinese: 梵網菩薩戒經; ; pinyin: Fàn Wǎng Púsà Jiè Jīng).
The Brahmajāla Sūtra is related to the important Huayan metaphor of Indra's net.
It is not related to the Brahmajala Sutta of the Pāli Canon of Theravada Buddhism
The sutra is traditionally regarded as having been recorded in Sanskrit and then translated by Kumārajīva in 406. However, according to Wendi Leigh Adamek, "internal evidence suggests that it could not have been compiled before 431 (...)." Scholars also speculate that it was written in East Asia by unknown authors in the mid-5th century, and is apocryphal. The sutra itself claims that it is the final chapter of a much longer Sanskrit text, but such a text has never been found.
This sutra introduces Vairocana and his relationship to Gautama Buddha. It also states ten major precepts for Bodhisattvas (Chinese: 十重戒) and the 48 minor precepts to follow to advance along the bodhisattva path.