2005 NAIA Division I women's basketball tournament

The 2005 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 2004–05 basketball season.

Union (TN), playing in its home town of Jackson, defeated Oklahoma City in the championship game, 67–63, to claim the Bulldogs' second NAIA national title and first since 1998.

The tournament was played at the Oman Arena in Jackson, Tennessee.

Qualification
The tournament field remained fixed at thirty-two teams, which were sorted into one of four quadrants and seeded from 1 to 8 within each quadrant.

The tournament continued to utilize a simple single-elimination format.