William Patrick Aird (1892 - 31 October 1931)[1] was an Irish politician.

[2] 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.

[3] He died during the 6th Dáil following a failed medical operation, but no by-election was held for his seat, as a general election was held less than three months later.

His grandson also called William Aird was elected as a Fine Gael TD for the Laois constituency at the 2024 general election.