| William Aird | |
| Office: | Teachta Dála |
| Term Start: | September 1927 |
| Term End: | 31 October 1931 |
| Constituency: | Leix–Offaly |
| Party: | Cumann na nGaedheal |
| Death Date: | 31 October 1931 |
William Patrick Aird (died 31 October 1931) was an Irish politician.[1] An auctioneer, farmer, and merchant, he was elected to Dáil Éireann as a Cumann na nGaedheal Teachta Dála (TD) for the Leix–Offaly constituency at the September 1927 general election.[2] He died during the 6th Dáil but no by-election was held for his seat, since a general election was to be held less than three months later.