William B. McCreery (August 27, 1836 – December 9, 1896) was an American politician and diplomat who lived much of his life in Michigan.

He fought with valor and was serious wounded at Williamsburg, Virginia, and at Chickamauga.

[7] Returning to Flint, McCreery enter the general merchandising business with F. W. Judd then in the lumber industry with a sawmill on the banks of the Flint River just south of the Saginaw Road bridge.

He was involved in the Flint City Water Works Company as its president and as an original stockholders and in the Grand Trunk Railway Flint-Lansing extension construction.

[7] He was elected as the ninth mayor of the City of Flint in 1865 serving two 1-year terms.