Oscar Charles Badger II (June 26, 1890 – November 30, 1958) was an admiral of the United States Navy who served in both World Wars, and, as a junior officer, received the Medal of Honor.

Several thousand American troops landed, in an effort to force out General Victoriano Huerta, who had seized power in Mexico.

Badger was in both days' fighting at the head of his company, and was eminent and conspicuous in his conduct, leading his men with skill and courage."

Admiral Badger received four awards of the Legion of Merit (two with the Combat "V" device) for service during World War II.

On June 19, 1951, during congressional hearings on the loss of China, Vice-Admiral Badger testified that the U.S. arms embargo against Nationalist China led to a loss of capability and morale that resulted in their defeat by Communist Chinese forces led by Mao Tse-tung.

Badger was in both days' fighting at the head of his company, and was eminent and conspicuous in his conduct, leading his men with skill and courage.

WORDEN, engaged in the important, exacting and hazardous duty of patrolling the waters infested by enemy submarines and mines, protecting vitally important convoys of troops and supplies through these waters and in offensive and defensive action, vigorously and unremittingly prosecuted against all forms of enemy naval activity during the World War.