| Yīduàn | |
| Birth Place: | China |
| Nationality: | Chinese |
| Religion: | Buddhism |
| School: | Ch'an |
| Ch'an master | |
Yīduàn (義端) was a 12th-century Chinese monk of the Chan (禪) school of Buddhism.
Yiduan is notable for the saying "Language is a sham, silence a lie, but beyond language and silence a road goes by" (語是謗, 寂是誑, 語寂向上有路在).[1]