| Championship Details | |
|---|---|
| Dates | 19 April 1970 – 1 November 1970 |
| Teams | 15 |
| All Ireland Champions | |
| Winners | Cork (4th win) |
| Captain | Teddy O'Brien |
| All Ireland Runners-up | |
| Runners-up | Wexford |
| Captain | Liam Bennett |
| Provincial Champions | |
| Munster | Cork |
| Leinster | Wexford |
| Ulster | Antrim |
| Connacht | Not Played |
| Championship Statistics | |
| Matches Played | 15 |
| Top Scorer |  Mick Butler (6-30) |
← 1969 1971 → | |
The 1970 All-Ireland Under-21 Hurling Championship was the 7th staging of the All-Ireland Under-21 Hurling Championship since its establishment by the Gaelic Athletic Association in 1964.
Cork entered the championship as the defending champions.
On 1 November 1970, Cork won the championship following a 5-17 to 0-8 defeat of Wexford in a replay of the All-Ireland final.[1] This was their 4th All-Ireland title in the grade and their third in succession.
Wexford's Mick Butler was the championship's top scorer with 6-30.
- ^ "County profile: Cork". Hogan Stand. Archived from the original on 16 February 2009. Retrieved 24 December 2015.