| Type: | Junior |
| Year: | 1939 |
| Connacht: | Galway |
| Munster: | Limerick |
| Leinster: | Kilkenny |
| Team: | Galway |
| Titles: | 1st |
| Team2: | London |
| Previous: | 1938 |
| Next: | 1940 |
The 1939 All-Ireland Junior Hurling Championship was the 22nd staging of the All-Ireland Junior Championship since its establishment by the Gaelic Athletic Association in 1912.
London entered the championship as the defending champions.
The All-Ireland final was played on 8 October 1939 at Croke Park in Dublin, between Galway and London, in what was their first ever meeting in a final.[1] [2] Galway won the match by 2-06 to 2-02 to claim their first ever championship title.