| Name | Type | CC | Key(s) | Times Played |
|---|---|---|---|---|
| O'Callaghan's | polka | g | 1 | |
| O'Connell's Trip To Parliament | reel | d | 3 | |
| O'Connor Donn's | reel | g | 1 | |
| O'Connor's | polka | ✓ | g | 12 |
| O'Keefe's | slide | ✓ | emin | 11 |
| O'Rahilly's March | march | g | 2 | |
| O'Sullivan's | polka | ✓ | g | 12 |
| O'Sullivan's March | march | g | 3 | |
| Oblique | jig | emin | 1 | |
| Off She Goes | slide | d | 1 |