The 1998 ISF Women's World Championship for softball was held July 20–30, 1998 in Fujinomiya, Shizuoka, Japan. A fourth straight title was won by the team from the United States, coached by Margie Wright, which avenged its only loss of the tournament to Australia by a 1-0 margin in the final.
Pool Play
Group I
| GP | W | L | |
|---|---|---|---|
 United States | 8 | 8 | 0 |
.svg.png){kind=small} Canada | 8 | 6 | 2 |
 Italy | 8 | 6 | 2 |
 Chinese Taipei | 8 | 5 | 3 |
 Netherlands | 8 | 4 | 4 |
 Czech Republic | 8 | 3 | 5 |
 Colombia | 8 | 3 | 5 |
 South Africa | 8 | 1 | 7 |
 Denmark | 8 | 0 | 8 |
Group II
| GP | W | L | |
|---|---|---|---|
.svg.png){kind=small} Australia | 7 | 7 | 0 |
 Japan | 7 | 6 | 1 |
 China | 7 | 5 | 2 |
 Venezuela | 7 | 3 | 4 |
.svg.png){kind=small} Netherlands Antilles | 7 | 3 | 4 |
 New Zealand | 7 | 3 | 4 |
 South Korea | 7 | 1 | 6 |
 Philippines | 7 | 0 | 7 |
Playoffs
Day One
| Italy | 1-0 | Venezuela |
| China | 7-0 | Chinese Taipei |
| United States | 1-0 | Japan |
| Australia | 1-0 | Canada |
Venezuela and Chinese Taipei Eliminated.
Day Two
| Japan | 2-0 | Italy |
| China | 3-0 | Canada |
Italy and Canada Eliminated.
Day Three
| Canada | 1-0 | Italy |
Medal Round
| Day Two | Bronze Medal | Gold Medal | |||||||||||
| A1 | United States | 1 | |||||||||||
| B1 | Australia | 2 | B1 | Australia | 0 | ||||||||
| A1 | United States | 4 | A1 | United States | 1 | ||||||||
| B2 | Japan | 0 | |||||||||||
| B2 | Japan | 3 | |||||||||||
| B3 | China | 0 | |||||||||||