The 1977 Federation Cup was the 15th edition of the most important competition between national teams in women's tennis. The tournament was held at Devonshire Park Lawn Tennis Club in Eastbourne, United Kingdom, from 13–18 June. The United States defended their title, defeating Australia in their seventh final.
All ties were played at Devonshire Park in Eastbourne, United Kingdom, on grass courts.
1st and 2nd Round losing teams play in Consolation Rounds