| Administrator: | MCC |
| Cricket Format: | Limited overs cricket (65 overs) |
| Tournament Format: | Knockout |
| Champions: | Sussex |
| Count: | 1 |
| Participants: | 17 |
| Matches: | 16 |
| Most Runs: | 277 – Jim Parks, Jr. (Sussex) |
| Most Wickets: | 14 – Jack Flavell (Worcestershire) |
| Next Year: | 1964 |
| Next Tournament: | 1964 Gillette Cup |
The 1963 Gillette Cup was an English county cricket tournament, held between 1 May and 7 September 1963. The tournament was won by Sussex.
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See main article: 1963 Gillette Cup Final.