John Williston "Bud" Bird, PC OC ONB (born March 22, 1932) is a Canadian businessman who is a former mayor of the city of Fredericton, a Progressive Conservative Party of New Brunswick member of the Legislative Assembly of New Brunswick, and a Progressive Conservative Party of Canada member of the House of Commons of Canada.

In 1958, he founded J. W. Bird and Company Limited, suppliers to the construction industry.

The business was sold to employees and today he operates Bird Holdings Ltd. And is majority shareholder of Sunpoke Energy Systems Ltd.

He was elected to the Legislative Assembly of New Brunswick in 1978 and served as in the government of Richard Hatfield as Minister of Natural Resources from November 21, 1978, until he resigned from the legislature on June 10, 1982.

Bird ran in the November 21, 1988 Federal election, winning a seat in the 34th Canadian Parliament for the Fredericton riding.