USS Caelum (AK-106) was a Crater-class cargo ship commissioned by the US Navy for service in World War II.

[3] Assigned to the Pacific Fleet, Caelum carried cargo between Pearl Harbor and Tarawa, Majuro, Eniwetok, Kwajalein, and Ulithi, in her first year of service.

Her tireless operations included participation in the occupation of Kwajalein and Majuro in February 1944, and from June through October 1944, she was assigned to Service Squadron 10.

[3] Returning to the States for overhaul in June and July 1945, Caelum towed YF-741 to Ulithi in August, and sailed on to support the occupation of Korea in September, and to provide logistic services to ships at Shanghai in early October.

From 9 November, when she arrived at Samar, Philippine Islands, the cargo ship sailed from this and various Chinese ports until clearing for the United States 15 April 1946.