Season 1958-1959 - Non-professional
| Dates | Tournament | Category | Winner |
|---|---|---|---|
| 01-04 - 04-04 |  1959 British Under-16 Championship |
National Championship | James Doyle |
| 23-02 - 25-03 | 1959 English Amateur Championship |
National Championship | Marcus Owen |
| 05-01 - 11-03 | 1959 Scottish Open Championship |
National Championship | Eddie Sinclair |
| 05-01 - 18-02 | 1959 Northern Ireland Amateur Championship |
National Championship | Billy Hanna |
| 01-01 - 26-04 | 1959 Scottish Amateur Championship |
National Championship | J Phillips |
| 01-01 - 01-01 | 1959 Indian Amateur Championship |
National Championship | Mohammed Lafir |
| 01-01 - 10-06 | 1959 Malta Amateur Championship |
National Championship | |
| 15-12 - 20-12 | 1958 British Under-19 Championship |
National Championship | David Roots |
| 20-10 - 25-10 | 1958 Australian Amateur Championship |
National Championship | Frank Harris |
| 01-09 - 01-09 | 1958 New Zealand Amateur Championship |
National Championship | William Hartcourt |