Midwest Lacrosse Conference was created in 2009.
National Lacrosse Conference was created in 2009.
Southwestern Lacrosse Conference was created in 2008.
Midwest Cities Lacrosse Conference was created in 1990.
Rocky Mountain Lacrosse Conference was created in 1976.
North American Lacrosse League was created in 2011.
Hopkins, other than the lacrosse teams, plays in the Centennial Conference with Bryn Mawr, Dickenson, Franklin and Marshall, Gettysburg, Haverford, McDaniel, Muhlenberg, Swarthmore, Ursinus, and Washington. The men's lacrosse team is a Division I independent and the women's lacrosse team plays in the American Lacrosse Conference.
American Midwest Conference was created in 1998.
Mid-American Conference was created in 1946.
American Jewish Conference was created in 1943.
American Football Conference was created in 1970.
American South Conference was created in 1987.