Dell Lee Dailey[1] (born 1949)[2] is a retired United States Army lieutenant general and former head of the State Department's counterterrorism office, serving from July 2007 to April 2009.

Dailey was born into an Army family in Flandreau, South Dakota.

[3] Dailey served over 36 years on active duty in the United States Army, reaching the rank of lieutenant general.

In this role he had the title of Ambassador at Large and was charged with coordinating and supporting the development and implementation of U.S. Government policies and programs aimed at countering terrorism overseas.

As the principal advisor to the Secretary of State on international counterterrorism matters, he was responsible for taking a leading role in developing coordinated strategies to defeat terrorists abroad and in securing the cooperation of international partners to that end.