Barbara Calandra Moore (1952 – March 11, 2010) was a United States diplomat who served as United States Ambassador to Nicaragua. Moore was nominated to be Ambassador to the Republic of Nicaragua by President George W. Bush in May 2002. She arrived in Nicaragua September 12, 2002 and presented credentials to President Enrique Bolaños on September 13, 2002. A native of Buffalo, New York, Moore received a B.A. degree from the College of New Rochelle (1973). Her husband was Spencer B. Moore of Portland, Oregon, and they had one son.