Andrew Thomas McNamara Jr. (14 May 1905 – 6 April 2002) was a lieutenant general in the United States Army who served in World War II.

A 1928 graduate of the United States Military Academy at West Point, New York, McNamara was commissioned in the infantry but transferred to the Quartermaster Corps in 1937.

[3] At high school he distinguished himself as an athlete,[4] He entered the United States Military Academy at West Point, New York on 1 July 1924, and graduated on 9 June 1928, ranked 253rd in his class of 261.

He returned to the United States in April 1933, [5] and went to Alexandria, Louisiana, as a company commander with the Civilian Conservation Corps, a jobs program run by the Army during the Great Depression.

He then became the Assistant Director of Supply and Executive Officer at the new Quartermaster Replacement Training Center at Camp Lee, Virginia, where, with the United States now involved in World War II, he was promoted to lieutenant colonel on 1 March 1942.

[5] On 15 June 1942 he joined the headquarters of the II Corps, commanded by Major General Mark W. Clark, as the executive officer of the quartermaster section.

On 30 June it departed the New York Port of Embarkation on the SS Monterey, bound for the United Kingdom, where it opened at Tidworth Barracks.

II Corps embarked again in October, this time to participate in Operation Torch, the Allied invasion of French North Africa.

Clark left to become the Deputy Commander at Allied Force Headquarters, and he took the II Corps quartermaster, Colonel Thomas H. Ramsey, with him.

Clark was succeeded by Major General Lloyd Fredendall, and Ramsey by McNamara, who embarked for North Africa on the SS Letitia on 26 October.

[11] In September 1943, McNamara was one of the II Corps officers that Bradley chose to take with him to form the staff of his new command, the First Army, in the UK.

During the Battle of the Bulge, the First Army's depots at Spa and Stavelot, which held 12,300 long tons (12,500 t) of fuel,[13] lay directly in the path of the German advance.

[16] First Army headquarters returned to the United States in June 1945, and in September McNamara became the chief quartermaster at Fort Bragg, North Carolina.