| Type: | Under-21 |
| Year: | 1987 |
| Dates: | 12 April 1987 - 21 June 1987 |
| Munster: | Limerick |
| Leinster: | Wexford |
| Ulster: | Down |
| Team: | Limerick |
| Titles: | 1st |
| Captain: | Gus Ryan |
| Manager: | Phil Bennis |
| Team2: | Galway |
| Captain2: | Michael Connolly |
| Manager2: | Pádraic Fahy |
| Topscorer: | Gary Kirby (1-24) |
| Previous: | 1986 |
| Next: | 1988 |
The 1987 All-Ireland Under-21 Hurling Championship was the 24th staging of the All-Ireland Under-21 Hurling Championship since its establishment by the Gaelic Athletic Association in 1964. The championship began on 12 April 1987 and ended on 21 June 1987.
Galway entered the championship as the defending champions.
On 21 June 1987, Limerick won the championship following a 2–15 to 3–06 defeat of Galway in the All-Ireland final.[1] This was their first All-Ireland title.
Limerick's Gary Kirby was the championship's top scorer with 1-24.
Quarter-finals
Semi-finals
Final
Quarter-finals
Semi-finals
Final
Semi-finals
Final
Semi-finals
Final
| Rank | Player | County | Tally | Total | Matches | Average | |
|---|---|---|---|---|---|---|---|
| 1 | Gary Kirby | Limerick | 1-24 | 27 | 5 | 5.40 | |
| 2 | Leo O'Connor | Limerick | 3-10 | 19 | 5 | 3.80 | |
| Vinny Murphy | Wexford | 0-19 | 19 | 3 | 6.33 | ||
| 4 | Pat Barrett | Limerick | 4-06 | 18 | 5 | 3.60 | |
| Séamus Downey | Derry | 2-12 | 18 | 2 | 9.00 | ||
| 6 | Pat McEvoy | Kilkenny | 3-06 | 15 | 2 | 7.50 | |
| 7 | Anthony Carmody | Limerick | 0-14 | 14 | 5 | 2.80 |