| Mode: | Women's basketball |
| Year: | 2004–05 |
| Team: | Michigan State Spartans |
| Conference: | Big Ten Conference |
| Short Conf: | Big Ten |
| Coachrank: | 2 |
| Aprank: | 6 |
| Record: | 33–4 |
| Conf Record: | 14–2 |
| Champion: | Big Ten Regular season & tournament champions |
| Tourney Result: | Runner-up |
The 2004–05 Michigan State Spartans women's basketball team will represent Michigan State University during the 2004–05 NCAA Division I women's basketball season. The Spartans, led by fifth-year head coach Joanne P. McCallie, play their home games at the Breslin Center and were members of the Big Ten Conference. They finished the season 33–4, 14–2 in Big Ten play to win the regular season title. They also won the Big Ten women's tournament to receive the conference's automatic bid to the NCAA tournament. Playing as the No. 1 seed in the Kansas City region (KC), the Spartans defeated Alcorn State, USC, Vanderbilt, and Stanford to reach the Final Four for the first time in program history. In the National Semifinal round, the Spartans defeated perennial power Tennessee, 68–64. Michigan State was beaten by Baylor, 84–62, in the National championship game.
[1] |-!colspan=9 style=| Regular season
|-!colspan=9 style=|Big Ten Tournament|-!colspan=9 style=|NCAA Tournament
See main article: 2004–05 NCAA Division I women's basketball rankings.
2004–05 Michigan State Spartans men's basketball team