The following teams were automatic qualifiers for the 2013 NCAA field by virtue of winning their conference's tournament (except for the UAA, whose regular-season champion received the automatic bid).
The NCAA Selection Committee, by rule, must select one team from the conferences without automatic berths and non-affiliated schools (Pool B). The Selection Committee makes the remaining 19 selections at-large from all conferences (Pool C).
Due to an NCAA ban on postseason games in New Jersey, the first round match between top-seeded Ramapo and Morrisville State was held in Nyack, NY on the campus of Nyack College.
Due to an NCAA ban on postseason games in New Jersey, Stevens was unable to host its first round match between against Randolph-Macon. The match was moved to Bronx, NY on the campus of Lehman College.
Due to a scheduling conflicting, WPI could not host its second round match against Randolph–Macon. The match was moved to Assumption College, also located in Worcester, MA.
The R62, R32, S16, E8, F4, CG, NC columns indicate how many teams from each conference were in the round of 62 (first round), round of 32 (second round), Sweet 16, Elite Eight, Final Four, championship game, and national champion, respectively.
The ASC and NESCAC each had one representative which earned a bye to the second round.