1970 All-Ireland Under-21 Football Championship
| Dates | 5 April - 4 October 1970 | ||
|---|---|---|---|
| Teams | 31 | ||
| Champions | Cork (1st title) Donal Hunt (captain) | ||
| Runners-up | Fermanagh Éamonn McPartland (captain) | ||
| Tournament statistics | |||
| Matches played | 33 | ||
| Goals scored | 94 (2.85 per match) | ||
| Points scored | 585 (17.73 per match) | ||
| Top scorer(s) | Mickey Freyne (1-17) | ||
| |||
The 1970 All-Ireland Under-21 Football Championship was the seventh staging of the All-Ireland Under-21 Football Championship since its establishment by the Gaelic Athletic Association in 1964. The championship ran from 5 April to 4 October 1970.
Antrim entered the championship as defending champions, however, they were beaten by Derry in the Ulster quarter-final.
The All-Ireland final was played on 4 October 1970 at Croke Park in Dublin, between Cork and Fermanagh, in what was their first ever meeting in the final. Cork won the match by 2-11 to 0-09 to claim their first ever All-Ireland U21 title.
Roscommon's Mickey Freyne was the championship's top scorer with 1-17.