1990 All-Ireland Senior B Hurling Championship
The 1990 All-Ireland Senior B Hurling Championship was the 17th staging of the All-Ireland Senior B Hurling Championship since its establishment by the Gaelic Athletic Association in 1974. The championship ran from 27 May to 8 July 1990.
Kildare entered the championship as the defending champions.
The [|All-Ireland final] was played at Emerald GAA Grounds in Ruislip on 8 July 1990 between London and Kildare, in what was their third meeting in the All-Ireland final and a second meeting in succession. London won the match by 1-15 to 5-02 to claim their third All-Ireland title overall and a first title in two years.
Kildare's Mick Moore was the championship's [|top scorer] with 8-05.
Championship statistics
Top scorers
;Overall| Rank | Player | County | Tally | Total | Matches | Average |
| 1 | Mick Moore | Kildare | 8-05 | 29 | 4 | 7.25 |
| 2 | Séamus Kilroy | Kildare | 3-11 | 20 | 2 | 10.00 |
| 3 | Eunan McCaffrey | Meath | 0-20 | 20 | 4 | 5.00 |
| 4 | Paddy Kelly | Meath | 3-06 | 15 | 4 | 3.75 |
| 4 | Gerry Power | Kildare | 2-09 | 15 | 4 | 3.75 |