1928–29 FAI Cup
The FAI Cup 1928-29 was the eighth edition of Ireland's premier cup competition, The Football Association of Ireland Challenge Cup or FAI Cup. The tournament began on 5 January 1929 and concluded on 6 April with the final replay held at Shelbourne Park, Dublin. An official attendance of approximately 15,000 people watched Shamrock Rovers win the first of five FAI Cup titles in a row by defeating holders Bohemians.
First round
| Tie no | Home team | Score | Away team | Date |
| 1 | Bohemians | 2-0 | St James's Gate | 5 January 1929 |
| 2 | Richmond Rovers | 0-2 | Dundalk | 5 January 1929 |
| 3 | Shamrock Rovers | 3-2 | Shelbourne | 5 January 1929 |
| 4 | Bray Unknowns | 2-1 | Brideville | 6 January 1929 |
| 5 | Drumcondra | 3-1 | Fordsons | 6 January 1929 |
| 6 | Fermoy | 0-1 | Richmond United | 6 January 1929 |
| 7 | Jacobs | 1-1 | Dolphin | 6 January 1929 |
| replay | Dolphin | 2-3 | Jacobs | 9 January 1929 |
| 8 | Waterford Celtic | 1-1 | Cork Bohemians | 6 January 1929 |
| replay | Cork Bohemians | 4-1 | Waterford Celtic | 9 January 1929 |
Second round
| Tie no | Home team | Score | Away team | Date |
| 1 | Bohemians | 2-2 | Jacobs | 19 January 1929 |
| replay | Jacobs | 2-4 | Bohemians | 23 January 1929 |
| 2 | Dundalk | 6-2 | Bray Unknowns | 19 January 1929 |
| 3 | Shamrock Rovers | 4-0 | Richmond United | 19 January 1929 |
| 4 | Drumcondra | 3-1 | Cork Bohemians | 20 January 1929 |
Semi-finals
----Final
Replay
| Winner of FAI Cup 1928-29 |
| Shamrock Rovers 2nd Title |