This category includes institutions that were members of the now-defunct NCAA Division I East Coast Conference.

• For athletic programs that were members of the Division I ECC, see Category:Former East Coast Conference (Division I) teams.
• For institutions that are former members of the present-day NCAA Division II conference of the same name, see Category:Former East Coast Conference schools.
• For athletic programs that are former members of the Division II ECC, see Category:Former East Coast Conference teams.