NCAA Division I

Division I is the highest level of college sports in the National Collegiate Athletic Association (NCAA) in the United States. Its schools generally have the biggest budgets, the best facilities, and offer more their students more athletic scholarships than Divisions II and III.

Below is a list of sports conferences belonging to Division I:

Football Bowl Subdivision
American Athletic Conference
Atlantic Coast Conference
Big Ten Conference
Big 12 Conference
Conference USA
Mid-American Conference
Mountain West Conference
Pac-12 Conference
 Ten of the conference's 12 members left for other leagues after the 2023–24 school year. The Pac-12 still technically exists with Oregon State and Washington State as the only members. Six other schools are confirmed to be joining in 2026.
Southeastern Conference
Sun Belt Conference

Football Championship Subdivision
Big Sky Conference
Big South Conference – As of the 2023 football season, the Big South and Ohio Valley Conferences are partners in a football-only alliance that has a single automatic berth in the FCS playoffs.
Ivy League
Mid-Eastern Athletic Conference
Northeast Conference
Ohio Valley Conference – Partner with the Big South Conference in football.
Patriot League
Southern Conference
Southland Conference
Southwestern Athletic Conference

These conferences only play football:
 CAA Football – Although run by the all-sports Coastal Athletic Association, it is legally separate.
 Missouri Valley Football Conference
 Pioneer Football League
 United Athletic Conference – A football-only partnership between the Atlantic Sun Conference and Western Athletic Conference.

Other conferences
These conferences do not play football, but do play basketball:
America East Conference
Atlantic Sun Conference – Partner in the United Athletic Conference.
Atlantic 10 Conference
Big East Conference
Big West Conference
 Coastal Athletic Association – As noted above, the CAA football conference is separate from the all-sports conference.
Horizon League
 Metro Atlantic Athletic Conference
Missouri Valley Conference
The Summit League
West Coast Conference
Western Athletic Conference – Partner in the United Athletic Conference.

This conference plays more than one sport, but does not play either football or basketball:
 Mountain Pacific Sports Federation

These conferences only play ice hockey:
 Atlantic Hockey America – Started play in the 2024–25 season after the merger of the men-only Atlantic Hockey Association and the women-only College Hockey America.
 Central Collegiate Hockey Association (men only)
 ECAC Hockey
 Hockey East
 National Collegiate Hockey Conference (men only)
 New England Women's Hockey Alliance
 Western Collegiate Hockey Association (women only)

The only Division I all-sports conference that plays either men's or women's ice hockey is the Big Ten. It started a men's hockey league in 2013–14.

The Ivy League technically sponsors ice hockey for both men and women, but does not hold a championship tournament. All Ivy League schools that play ice hockey play in Hockey East. The Ivy League determines its champion from results of ECAC Hockey games that involve two Ivy members.

These conferences only play water polo. Two run men's and women's leagues, and the other runs only a women's league.
Collegiate Water Polo Association
Golden Coast Conference (women only)
Western Water Polo Association

One conference competes only in wrestling:
Eastern Intercollegiate Wrestling Association

These conferences play only one sport:
Eastern Association of Rowing Colleges
Pacific Coast Swim Conference

In some sports, the NCAA does not split schools into divisions because only a small number of schools play a given sport. Technically, conferences in these sports are not Division I. However, most of the schools in these conferences are in Division I in other sports.

These conferences only play men's volleyball (note that women's volleyball is split into divisions):
 Eastern Intercollegiate Volleyball Association
 Midwestern Intercollegiate Volleyball Association

This conference only plays women's beach volleyball:
 Coastal Collegiate Sports Association

These conferences only compete in skiing:
 Eastern Intercollegiate Ski Association
 Rocky Mountain Intercollegiate Ski Association

These conferences only compete in gymnastics:
 Eastern Intercollegiate Gymnastics League (men only)
 Midwest Independent Conference (women only)

These conferences only compete in rifle shooting:
 Great America Rifle Conference
 Mid-Atlantic Rifle Conference
 Patriot Rifle Conference

This conference only does fencing:
 Midwest Fencing Conference