| William H. Lash | |
| Birth Name: | William Henry Lash III |
| Birth Date: | 21 January 1961 |
| Death Place: | McLean, Virginia, U.S. |
| Alma Mater: | Yale University (BA) Harvard University (JD) |
| Office: | Assistant Secretary of Commerce for Market Access and Compliance |
| President: | George W. Bush |
| Term Start: | July 25, 2001 |
| Term End: | 2005 |
| Successor: | Peter Hale |
| Party: | Republican |
| Spouse: | Sharon Zackula |
William Henry Lash III (January 21, 1961 – July 14, 2006)[1] was the Assistant Secretary for Market Access and Compliance at the United States Department of Commerce from 2001 to 2005,[2] and a professor at George Mason University School of Law.
Lash was born in Jersey City, New Jersey and grew up in Rahway, New Jersey.[3]
In July 2006, at his home in McLean, Virginia, Lash was involved in a domestic incident with his wife, which resulted in her leaving the house and calling the police. When they arrived, he refused them entry, and proceeded to fatally shoot his 12-year-old son and then himself.[4]