USS Chatham (AK-169) was an Alamosa-class cargo ship commissioned by the U.S. Navy for service in World War II.

She was responsible for delivering troops, goods and equipment to locations in the war zone.

[3] Chatham arrived at Pearl Harbor 6 May 1945 to carry cargo to Eniwetok, Saipan, and Guam, before returning to San Francisco, 18 July for a brief overhaul.

She cleared San Francisco 13 August, and until 30 January 1946, when she returned to San Francisco once more, carried cargo from Okinawa to Guam, Manus, Saipan, Eniwetok, and the Philippines, aiding in the redeployment of American strength in the Pacific Ocean which followed the war.

[4] She broke in two and sank 15 December 1972, in heavy weather West of San Juan, Puerto Rico, with a load of Gypsum.