1990 Division III Regionals

The field of 24 teams in the 1990 Division III Baseball Championship is broken down into 4 4-team Brackets, 1 6-team Bracket, and 1 2-team Bracet. The Regional round is a double elimination format, except the West Regional which is a best of five format. The top team in each bracket advances to the 1990 Division III College World Series.

Mid-Atlantic Region

Seed	School	Results	Finish
	Ferrum College	1-2	3rd
	Montclair State College	3-0	Advances to CWS
	Rensselaer Polytechnic Institute	0-2	4th
	Rutgers, The State University of New Jersey at Newark	2-2	2nd

Northeast Region

Seed	School	Results	Finish
	Bridgewater State University	0-2	4th
	Eastern Connecticut State College	3-0	Advances to CWS
	Ithaca College	2-2	2nd
	University of Southern Maine	1-2	3rd

Mideast Region

Seed	School	Results	Finish
	Aurora University	4-0	Advances to CWS
	Marietta College	2-2	2nd
	North Park College	2-2	3rd
	Ohio Wesleyan University	1-2	4th
	Otterbein College	0-2	6th
	College of Wooster	1-2	4th

Midwest Region

Seed	School	Results	Finish
	Simpson College	1-2	3rd
	University of Wisconsin-Oshkosh	3-0	Advances to CWS
	University of Wisconsin-Whitewater	2-2	2nd
	William Penn College	0-2	4th

South Region

Seed	School	Results	Finish
	Juniata College	0-2	4th
	Methodist College	2-2	2nd
	North Carolina Wesleyan College	4-1	Advances to CWS
	Trenton State College	1-2	3rd

West Region

Seed	School	Results	Finish
	California State University, San Bernardino	3-0	Advances to CWS
	Claremont McKenna-Harvey Mudd-Scripps Colleges	0-3	2nd