| Duncan Bluck | |
| Honorific-Suffix: | CBE |
| Office: | Chairman of the Swire Group in Hong Kong |
| Term Start: | 1 January 1981 |
| Term End: | April 1984 |
| Predecessor: | J. H. Bremridge |
| Successor: | H. M. P. Miles |
| Office1: | managing director of the Cathay Pacific Airways |
| Term Start1: | January 1971 |
| Term End1: | 1979 |
| Predecessor1: | J. H. Bremridge |
| Successor1: | H. M. P. Miles |
| Birth Date: | 1927 3, df=yes |
| Birth Place: | Shanghai, Republic of China |
| Death Place: | Kent, England |
| Occupation: | Businessman |
| Alma Mater: | Taunton School |
| Children: | Penny, Beth, Ali and Michael |
Duncan Robert Yorke Bluck, CBE (19 March 1927 – 6 October 2015) was a British businessman. He was the managing director of the Cathay Pacific Airways from 1971 to 1979.[1] [2]