List of Big Ten Conference women's basketball regular season champions

The Big Ten Conference began sponsoring women's basketball during the 1982–83 basketball season. In February 1982 during the 1981–82 season, the conference held a tournament at Michigan State in which Ohio State defeated Illinois 69–66 in the championship game. The conference has listed this in some publications as a regular season championship.

Year Champion Conference Record Notes
1982–83 Indiana / Ohio State 15–3 Big Ten began sponsoring women's basketball
1983–84 Ohio State (2) 17–1
1984–85 Ohio State (3) 18–0
1985–86 Ohio State (4) 16–2
1986–87 Iowa / Ohio State (5) 17–1
1987–88 Iowa (2) 17–1
1988–89 Iowa (3) / Ohio State (6) 16–2
1989–90 Iowa (4) / Northwestern 15–3
1990–91 Purdue 17–1
1991–92 Iowa (5) 16–2
1992–93 Iowa (6) / Ohio State (7) 16–2 Penn State joins Big Ten Conference
1993–94 Penn State / Purdue (2) 16–2
1994–95 Penn State (2) / Purdue (3) 13–3
1995–96 Iowa (7) 15–1
1996–97 Illinois / Michigan State / Purdue (4) 12–4
1997–98 Iowa (8) 13–3
1998–99 Purdue (5) 16–0
1999–00 Penn State (3) 15–1
2000–01 Purdue (6) 14–2
2001–02 Purdue (7) 13–3
2002–03 Penn State (4) 13–3
2003–04 Penn State (5) 15–1
2004–05 Michigan State (2) / Ohio State (8) 14–2
2005–06 Ohio State (9) 15–1
2006–07 Ohio State (10) 15–1
2007–08 Iowa (9) / Ohio State (11) 13–5
2008–09 Ohio State (12) 15–3
2009–10 Ohio State (13) 15–3
2010–11 Michigan State (3) 13–3
2011–12 Penn State (6) 13–3 Nebraska joins Big Ten Conference
2012–13 Penn State (7) 14–2
2013–14 Michigan State (4) / Penn State (8) 13–3
2014–15 Maryland 18–0 Maryland and Rutgers join Big Ten Conference
2015–16 Maryland (2) 16–2
2016–17 Maryland (3) / Ohio State (14)^ 15–1
2017–18 Ohio State (15)^ 13–3
2018–19 Maryland (4) 15–3
2019–20 Maryland (5) / Northwestern (2) 16–2
2020–21 Maryland (6) 17–1
2021–22 Iowa (10) / Ohio State (16) 14–4
2022–23 Indiana (2) 16–2
2023–24 Ohio State (17) 16–2
2024–25 USC 17–1 Oregon, UCLA, USC and Washington joins Big Ten Conference