| Jack Percival | |
| Fullname: | Ronald Frederick John Percival |
| Birth Date: | 1924 4, df=y |
| Birth Place: | Ealing, Greater London, England |
| Death Date: | 6 October 2011 (aged 87) |
| Position: | Defender |
| Years2: | 1947–1950 |
| Years3: | 1950–1951 |
| Clubs4: | Cambridge United |
| Caps2: | 8 |
| Caps3: | 6 |
| Goals2: | 0 |
| Goals3: | 0 |
Ronald Frederick John "Jack" Percival (19 April 1924 - 6 October 2011) was a professional footballer, who played for Huddersfield Town, Chesterfield and Cambridge United. He was born in Norwood Green, Ealing, Greater London and started his career in 1947 playing for Tunbridge Wells in the Kent Amateur League before signing for Huddersfield in February 1948.