Dana T. Merrill (October 15, 1876 – August 3, 1957) was a career officer in the United States Army.

Merrill continued to work his way up the ranks during the period prior to World War I, and graduated from the Army School of the Line and the Command and General Staff College.

During World War II, Merrill was the Civil Defense coordinator for the greater Cincinnati area, including southern Ohio and northern Kentucky.

[2] Merrill was educated in East Auburn, and graduated from the University of Maine with a Bachelor of Science degree in 1898.

[1] In 1901, the Sigma Alpha Epsilon fraternity founded a chapter at the University of Maine, and Merrill was initiated as a charter member.

[3] In May 1898, Merrill enlisted for the Spanish–American War as a member of Company H, 1st Maine Volunteer Infantry Regiment.

[9] From May to September 1936, he was acting commander of the Sixth Corps Area and the Second United States Army.

[6] During World War II, Merrill was the Civil Defense Coordinator for the greater Cincinnati area.