Die Irish Open 1931 waren die 25. Austragung dieser internationalen Meisterschaften von Irland im Badminton. Sie fanden in Dublin statt.
| Disziplin | Sieger |
|---|---|
| Herreneinzel | Irland |
| Dameneinzel | England |
| Herrendoppel | Irland Irland |
| Damendoppel | England Schottland |
| Mixed | Irland England |
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