1986 Federation Cup (tennis)
The 1986 Federation Cup was the 24th edition of the most important competition between national teams in women's tennis. The tournament was held at I. ČLTK Prague in Prague, Czechoslovakia, from 20 to 27 July. The United States defeated three-time defending champions Czechoslovakia in the final, giving the USA their 12th title. The finals marked Martina Navratilova's first return to Czechoslovakia since her defection to the United States in 1975.
Qualifying round
All ties were played at I. ČLTK Prague in Prague, Czechoslovakia, on clay courts.| Winning team | Score | Losing team |
| ' | 2–1 | |
| ' | 3–0 | |
| ' | 3–0 | |
| ' | 3–0 | |
| ' | w/o | |
| 3–0 | ||
| ' | 3–0 | |
| ' | 3–0 | |
| ' | 3–0 | |
| 2–1 |
Winning nations advance to Main Draw, losing nations play in Consolation rounds.