1998 Fed Cup
The 1998 Fed Cup was the 36th edition of the most important competition between national teams in women's tennis. In the final, Spain [Fed Cup team|Spain] defeated Switzerland at Palexpo Hall in Geneva, Switzerland on 19–20 September, giving Spain its fifth title.
World Group
Draw
World Group play-offs
The four losing teams in the World Group first round ties, and four winners of the World Group II ties entered the draw for the World Group play-offs.Date: 25–26 July
| Venue | Surface | Home team | Score | Visiting team |
| Bratislava, Slovakia | ' | 4–1 | ||
| Moscow, Russia | Indoor hard | ' | 4–1 | |
| Bol, Croatia | ' | 3–2 | ||
| 1–4 | ' |
World Group II
The World Group II was the second highest level of Fed Cup competition in 1998. Winners advanced to the World Group play-offs, and losers played in the World Group II play-offs.Date: 18–19 April
| Venue | Surface | Home team | Score | Visiting team |
| Foligno, Italy | Indoor carpet | ' | 3–2 | |
| Perth, Australia | 2–3 | ' | ||
| Dubrovnik, Croatia | Outdoor clay | 4–1 | ||
| Outdoor clay | 1–4 |
World Group II play-offs
The four losing teams from World Group II played off against qualifiers from Zonal Group I. Two teams qualified from Europe/Africa Zone, one team from the Asia/Oceania Zone, and one team from the Americas Zone.Date: 12–13 July
| Venue | Surface | Home team | Score | Visiting team |
| ' | 5–0 | |||
| ' | 5–0 | |||
| Outdoor clay | 1–4 | ' | ||
| Minsk, Belarus | Indoor hard | ' | 4–1 |
Americas Zone
- Nations in bold advanced to the higher level of competition.
- Nations in italics were relegated down to a lower level of competition.
Group I
Dates: 14–17 April
;Participating Teams
- '
- '
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Group II
Dates: 27 April – 3 May
;Participating Teams
- '
- '
Asia/Oceania Zone
- Nations in bold advanced to the higher level of competition.
- Nations in italics were relegated down to a lower level of competition.
Group I
Dates: 16–20 February
;Participating Teams
- '
- '''
Group II
Dates: 16–20 February
;Participating Teams
- Pacific Oceania
Europe/Africa Zone
- Nations in bold advanced to the higher level of competition.
- Nations in italics were relegated down to a lower level of competition.
Group I
Dates: 14–18 April
;Participating Teams
- '
- '
- '
- '
Group II
Dates: 5–9 May
;Participating Teams
- '
- '
- '
- '