UK A - Z Transfers: Colchester United
- A list of all the players for seasons 1946/47 to the present. The site is updated at the end of each season.
- http://www.neilbrown.newcastlefans.com/colchester/colchester.htm

Oldfootballshirts.com: Colchester United
- A photographic history of the club's shirts using photographs submitted by fans.
- http://www.oldfootballshirts.com/old-Colchester-Utd-football-shirts-tid26.html

Historical Football Kits: Colchester United
- A graphic archive of the club’s football kits by Dave Moor.
- http://www.historicalkits.co.uk/Colchester_United/Colchester_United.htm

Football Club History Database: Colchester United
- A statistical breakdown of the history of the club.
- http://www.fchd.info/COLCHESU.HTM

Colchester United
- This Wikipedia encyclopaedia entry includes club information, honours, history and records.
- http://en.wikipedia.org/wiki/Colchester_United_F.C.

FootballWebPages: Colchester United
- Results, league progress and tables, form guides and attendances.
- http://www.footballwebpages.co.uk/index.jsp?team=52

Fanbase: Colchester United
- Directory of sites for news, general information, statistics, and chat.
- http://www.fanbase-links.co.uk/colchester_utd_football_links.html

Soccernet.com: Colchester United
- News, results, fixtures, squad details, and statistics.
- http://soccernet.espn.go.com/team?id=339&cc=5739

NewsNow: Colchester United
- News headlines from the UK and around the world, updated every five minutes.
- http://www.newsnow.co.uk/newsfeed/?name=Colchester+United

Soccerbase.com: Colchester United
- Club details, results, fixtures, tables, transfers, squad statistics, and records.
- http://www.soccerbase.com/teams2.sd?teamid=612

Sky Sports: Colchester United
- News, fixtures, results, tables, match reports, squad list, and OPTA statistics.
- http://home.skysports.com/club.asp?clid=99&cpid=11

Football.co.uk: Colchester United
- News, features, match reports, results, fixtures, statistics, and tables.
- http://www.football.co.uk/colchester_united/index.shtml

BBC Sport: Colchester United
- News, match reports, results, fixtures, tables, and live text commentary.
- http://news.bbc.co.uk/sport1/hi/football/teams/c/colchester_united/default.stm

COLU Online
- News, player profiles, club information, and a message board.
- http://colchesterunited.rivals.net/

Colchester United Mad
- News, statistics, beat the manager prediction game, results, fixtures, tables, and match reports.
- http://www.colchesterutd-mad.co.uk/