| Tsar Teh-Yun | |
| Birth Date: | 26 November 1905 |
| Birth Place: | Shanghai, China |
| Death Place: | Hong Kong |
| Occupation: | Guqin player |
Tsar Teh-Yun (Chinese: s=蔡德允|p=Cai Deyun; 26 November 1905 – 10 June 2007) was a Chinese musician and poet who was among the leading guqin players of her time.
Tsar Teh-Yun was born on 26 November 1905 in Shanghai, China. She later moved to Hong Kong with her husband and son. She became a well regarded guqin player, having been taught by Shen Caonong. Among her favorite repertoire to perform was pieces by Guo Chuwang. She was also a noted guqin teacher, and published a book on the instrument, Yinyinshi Qinpu. Tsar died on 10 June 2007 at the age of 101.[1]