| Paul Cheng 鄭明訓 | |
| Honorific-Suffix: | JP |
| Birth Date: | 19 October 1936 |
| Birth Place: | Xiamen, China |
| Office: | Member of the Provisional Legislative Council |
| Term Start: | 21 December 1996 |
| Term End: | 30 June 1998 |
| Office1: | Member of the Legislative Council |
| Term Start1: | 11 October 1995 |
| Term End1: | – 30 June 1997 |
| Predecessor1: | Jimmy McGregor |
| Constituency1: | Commercial (First) |
| Appointed2: | Sir David Wilson |
| Term Start2: | 12 October 1988 |
| Term End2: | 22 August 1991 |
| Alma Mater: | University of Pennsylvania Lake Forest College |
| Occupation: | Entrepreneur |
| Children: | 5 |
Paul Cheng Ming-fun, JP (born 19 October 1936, Xiamen) is a Hong Kong entrepreneur and politician. He was first appointed to Legislative Council in 1988 and was the LegCo member for the Commercial (First) constituency (1995–97) and also the Provisional Legislative Council (1996–98). He was the chairman of the Hong Kong General Chamber of Commerce from 1992 to 1994 and honorary steward of the Hong Kong Jockey Club.[1]