| Type: | NAIA |
| Year: | 1998 |
| Gender: | Women's |
| Teams: | 32 |
| Fabfourarena: | Oman Arena |
| Fabfourcity: | Jackson, Tennessee |
| Champions: | Union (TN) Bulldogs |
| Titlecount: | 1st |
| Champgamecount: | 3rd |
| Champffcount: | 4th |
| Runnerup: | Southern Nazarene Redskins |
| Gamecount: | 6th |
| Runnerffcount: | 7th |
| Semifinal1: | Findlay Oilers |
| Fabfourcount1: | 1st |
| Semifinal2: | Simon Fraser Clan |
| Fabfourcount2: | 1st |
| Coty: | David Blackstock |
| Cotyschool: | Union (TN) |
| Mvp: | Rose Agnoung |
| Mvpteam: | Union (TN) |
| Poty: | Marieme Lo |
| Potyschool: | Central State (OH) |
| Hustle: | April Pearson |
| Hustleschool: | Union (TN) |
| Topscorer: | Hazel Taylor |
| Topscorerteam: | Wayland Baptist |
| Points: | 81 |
The 1998 NAIA Division I women's basketball tournament was the tournament held by the NAIA to determine the national champion of women's college basketball among its Division I members in the United States and Canada for the 1997–98 basketball season.
In a rematch of the 1997 final, Union (TN) defeated four-time defending champions Southern Nazarene in the championship game, 73–70, to claim the Bulldogs' first NAIA national title.
The tournament was played at the Oman Arena in Jackson, Tennessee.[1]
The tournament field remained fixed at thirty-two teams, with the top sixteen teams receiving seeds.
The tournament continued to utilize a simple single-elimination format.