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.

Venezuela and Chinese Taipei Eliminated.

Italy and Canada Eliminated.