| William H. Gaston | |
| Birth Name: | William Henry Gaston |
| Birth Date: | 25 October 1840 |
| Birth Place: | Prairie Bluff, Alabama |
| Death Place: | Dallas, Texas |
| Burial Place: | Greenwood Cemetery |
| Occupation: | Businessman |
William Henry Gaston (October 25, 1840 - January 24, 1927) was a Dallas landowner and Confederate soldier.
William H. Gaston was born near Prairie Bluff, Alabama on October 25, 1840.
In 1868, he and Aaron C. Camp founded Gaston and Camp, the first banking house in the city of Dallas. On February 2, 1904, he founded the Gaston National Bank.
He died at his son's home in Dallas on January 24, 1927, and was buried at Greenwood Cemetery.
A middle school in the Dallas Independent School District bears Gaston's name.