2015 NCAA Division I baseball rankings explained

The following human polls make up the 2015 NCAA Division I men's baseball rankings. The USA Today/ESPN Coaches Poll is voted on by a panel of 31 Division I baseball coaches. The Baseball America poll is voted on by staff members of the Baseball America magazine. These polls, along with the Perfect Game USA poll, rank the top 25 teams nationally. Collegiate Baseball and the National Collegiate Baseball Writers Association rank the top 30 teams nationally.

Legend

		Increase in ranking
		Decrease in ranking
		Not ranked previous week
Italics		Number of first place votes
(#-#)		Win–loss record
т		Tied with team above or below also with this symbol

ESPN/USA Today Coaches Poll

Baseball America

Collegiate Baseball

The Preseason poll ranked the top 40 teams in the nation. Teams not listed above were: 31. ; 32. ; 33. ; 34. ; 35. ; 36. Arkansas; 37. ; 38. ; 39. ; 40. .

NCBWA

The preseason poll ranked the top 35 teams in the nation. Teams not listed above were: 31. ; 32. Oregon State; 33. ; 34. UCF; 35. .

Perfect Game USA