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List of developmental and minor sports leagues

Last updated July 01, 2025

This is a list of developmental and minor sports leagues, two concepts which are largely restricted to North American sports. Note that this does not include teams in leagues that include promotion and relegation.

North America

Baseball

Minor League Baseball
- International League (Class AAA)
- Pacific Coast League (Class AAA)
- Eastern League (Class AA)
- Southern League (Class AA)
- Texas League (Class AA)
- Midwest League (Class A+)
- Northwest League (Class A+)
- South Atlantic League (Class A+)
- California League (Class A)
- Carolina League (Class A)
- Florida State League (Class A)
- Arizona Complex League (rookie)
- Florida Complex League (rookie)
- Dominican Summer League (rookie)
Off-season leagues
- Arizona Fall League (off-season)
- Colombian Professional Baseball League (off-season)
- Dominican Winter Baseball League (off-season)
- Mexican Pacific League (off-season)
- Puerto Rico Baseball League (off-season)
- Venezuelan Professional Baseball League (off-season)
Independent baseball leagues
- American Association †
- Atlantic League †
- Empire League
- Frontier League †
- Mexican League
- Pecos League
- Pioneer League †
- United Shore League

† MLB Partner Leagues

Basketball

Affiliated:

Independent:

Pro

Semi-Pro

American football

Outdoor:

High-level

United Football League

Low-level

Indoor:

High-level

Mid-level

American Indoor Football

Low-level

Ice hockey

Professional:

American Hockey League (high-level)
ECHL (formerly East Coast Hockey League) (mid-level)
Federal Prospects Hockey League (low-level)
Ligue Nord-Américaine de Hockey (low-level)
SPHL (formerly Southern Professional Hockey League) (low-level)

Juniors:

Canadian Hockey League (CHL; an umbrella organization)
- Ontario Hockey League (Major junior)
- Quebec Major Junior Hockey League (Major junior)
- Western Hockey League (Major junior)
United States Hockey League (Tier I)

Association football (soccer)

United Soccer League
- USL Championship (men's Division II)
- USL League One (men's Division III)
MLS Next Pro (men's Division III)
National Independent Soccer Association (Division III)
United Women's Soccer (women's Division III)
Women's Premier Soccer League (women's Division III)

Announced future leagues:

NWSL Second Division (women's Division II; planned for 2026)
WPSL PRO (women's Division II; planned for 2026)

Indoor soccer

Major Arena Soccer League 2 (M2)

Auto racing

Cricket

Minor League Cricket

Africa

Rugby union

Vodacom Cup (South Africa; now defunct. During the competition's existence, teams from Argentina and Namibia were occasionally included.)
Rugby Challenge (South Africa; successor to the Vodacom Cup. Includes the same Namibian team that occasionally featured in the Vodacom Cup.)