Otto Lauren Nelson Jr. (November 2, 1902 – June 25, 1985) was an officer in the United States Army.

Biography

thumb|right|200px|Nelson's grave at Arlington National Cemetery

Otto L. Nelson was born in Omaha, Nebraska on November 2, 1902, the child of Swedish immigrants. He graduated from the United States Military Academy at West Point in 1924 and was commissioned in the Infantry branch.

In 1932 he took a Master of Arts from Columbia University. He graduated from the Command and General Staff School in 1938 and took a PhD degree from Harvard in 1939.