Brigadier General James Roy Andersen (10 May 1904 – 26 February 1945) was a United States Army Air Forces officer. He was declared killed in action after an aircraft accident on 26 February 1945 over the Pacific Ocean.
General Andersen was born on 10 May 1904, in Racine, Wisconsin, and married Esther Hau.
He graduated from the United States Military Academy on the Hudson River at West Point, New York in 1926, served at various Army installations, and obtained his wings at Kelly Field, Texas, in 1936. During 1943-1944 he served on the U.S. War Department General Staff. In January 1945, General Andersen was assigned to HQ AAF, Pacific Ocean Area. He died on 26 February 1945 in an aircraft accident near Kwajalein Island. He and Lieutenant General Millard Harmon were travelling on Consolidated C-87A Liberator Express serial number 41-24174, which disappeared between Kwajalein and Johnston Island while en route to Hawaii. The pilot of the aircraft was F. E. Savage.
Andersen Air Force Base in the United States territory of Guam is named in his memory.