| W. Douglas Smith | |
| State House: | South Carolina |
| State: | South Carolina |
| District: | 32nd |
| Term: | 1992 - 2008 |
| Succeeded: | Incumbent |
| Birth Date: | 3 April 1958 |
| Birth Place: | Spartanburg, South Carolina |
| Spouse: | Alison |
| Profession: | Attorney |
| Party: | Republican |
William Douglas "Doug" Smith is a Republican and former member of the South Carolina House of Representatives, representing the 32nd District since 1992, and serving as the Speaker Pro Tempore from 2000 until retirement in 2008.