Charles Graves "Chase" Untermeyer (born March 7, 1946), is a former United States ambassador to Qatar.

A native of Long Branch, New Jersey, Untermeyer graduated in 1964 from Memorial High School in Houston, Texas and, later (1968), from Harvard University in Cambridge, Massachusetts.

While at Harvard, he worked in the 1966 congressional campaign of future U.S. President George Herbert Walker Bush of Houston.

[1] He entered the United States Navy after Harvard under the Naval Reserve Officer Training Corps program.

He served during the Vietnam War as an officer aboard the Pacific Fleet destroyer USS Benner (DD-807) and as aide and flag lieutenant to the late Rear Admiral Draper L. Kauffman, Commander of U.S.