Lieutenant General Oscar Woolverton Griswold (22 October 1886 – 28 September 1959) was a United States Army officer who served in the first half of the 20th century.

During World War I, he served as a major and lieutenant colonel in the 84th Division, American Expeditionary Forces (AEF), from 1918 to 1919, and participated in the Meuse–Argonne offensive.

During this period, Major General Griswold displayed exceptional qualities of forceful leadership in the execution of the many offensive operations carried out by his command under extremely difficult terrain and weather conditions.

His efficient coordination of the activities of the Army with the Navy and Allied units, enabled our forces to exert their greatest strength against the Japanese and administer a series of crushing defeats.

Major General Griswold, through his initiative and broad understanding of combined operations, contributed materially to the neutralization of the last and most formidable Japanese stronghold in the Solomon Islands and to the continued success of the Allied campaign in the South Pacific.

His conduct throughout was in keeping with the highest traditions of the United States Military Service.He was promoted to lieutenant general in early 1945,[1] and continued to serve in the Pacific theater under Douglas MacArthur during the Battle of Manila in February 1945.

[8] He also appeared in a television segment of This Is Your Life in December 1956 where he lauded the exploits of an army captain who refused to surrender in the Philippines and successfully led a guerilla campaign against the Japanese until he turned himself in to General Griswold.