| Mode: | Basketball |
| Year: | 2004–05 |
| Team: | Iowa Hawkeyes |
| Conference: | Big Ten Conference |
| Short Conf: | Big Ten |
| Record: | 21–12 |
| Conf Record: | 7–9 |
| Hc Year: | 6th |
| Stadium: | Carver–Hawkeye Arena (Capacity: 15,500) |
The 2004–05 Iowa Hawkeyes men's basketball team represented the University of Iowa as members of the Big Ten Conference during the 2004–05 NCAA Division I men's basketball season. The team was led by sixth-year head coach Steve Alford and played their home games at Carver–Hawkeye Arena. They finished the season 21–12 overall and 7–9 in Big Ten play. The Hawkeyes received an at-large bid to the NCAA tournament as #10 seed in the Austin Regional. The season ended with an opening round loss to #7 seed Cincinnati, 76–64.
|-!colspan=8| Non-conference regular season|-|-!colspan=8| Big Ten Regular Season|-|-!colspan=8| Big Ten tournament|-!colspan=8| NCAA tournament
See main article: 2004–05 NCAA Division I men's basketball rankings.