Former Lieutenant Colonel William H. Steele (born c. 1955) is a former U.S. Army Reservist from Prince George, Virginia. He was charged with aiding the enemy and other breaches of military law, mostly in connection with his role as commander of the 451st Military Police Detachment and Camp Cropper, a holding facility for security detainees in Iraq. He was acquitted of aiding the enemy, but sentenced to 2 years confinement on other charges and was dismissed from the military. He was confined at the United States Disciplinary Barracks at Fort Leavenworth, Kansas. Steele was only the second officer to be charged with aiding the enemy during Operation Iraqi Freedom, the other being Captain James Yee. William H. Steele was the only field-grade officer to be charged with aiding the enemy during all of Operation Iraqi Freedom.