Charles Edgar "Chip" Erdmann (born June 26, 1946) is a Senior judge of the United States Court of Appeals for the Armed Forces.

[5] In 1986, he opened his own private practice in Helena and also served as a JAG officer in the Montana Air National Guard from 1981 to 2002, when he retired as a colonel.

He left in 1998 to become a judicial reform coordinator in the Office of the High Representative for Bosnia and Herzegovina.

He soon became the head of the Human Rights and Rule of Law department, helping to reform the region's judicial system through several anti-corruption measures.

[2] In 2002, Erdmann was appointed to the United States Court of Appeals for the Armed Forces by President George W. Bush.