 | |
| Title | Chán master |
| Personal | |
| Born | 745 |
| Died | 827 (age 82) |
| Religion | Buddhism |
| School | Chán |
| Senior posting | |
| Teacher | Shitou Xiqian Mazu Daoyi |
| Predecessor | Shitou Xiqian |
| Successor | Yunyan Tansheng |
Students | |
Yaoshan Weiyan (Chinese: 藥山惟儼; Hànyǔ Pīnyīn: Yàoshān Wéiyǎn; Japanese: Yakusan Igen; Korean: Yaksan Yuǒm; Vietnamese: Dược Sơn Duy Nghiễm) was a Zen Buddhist monk who lived during the Tang dynasty.