1965–66 Colchester United F.C. season Players Players

| Pos_ | Name_ | Place_of_Birth | Date_of_Birth | Previous_Club | Date_Joined | Fee_ |
|---|---|---|---|---|---|---|
| DF | David Raine | Darlington | 28 March 1937 | Doncaster Rovers | 24 September 1965 | Free |
| MF | Barrie Aitchison | Colchester | 15 November 1937 | Tottenham Hotspur | 22 August 1964 | £750 |
| MF | Bobby Blackwood | Edinburgh | 20 August 1934 | Ipswich Town | 1 September 1965 | Free |
| MF | Arthur Kaye | Higham | 9 May 1933 | Middlesbrough | 21 August 1965 | Free |
| MF | John Mansfield | Colchester | 13 September 1946 | Youth Team | 1 August 1964 | Free |
| MF | Derek Trevis | Birmingham | 9 September 1942 | Aston Villa | 7 March 1964 | Free |
| FW | Peter Bullock | Stoke-on-Trent | 17 November 1941 | Southend United | 30 October 1965 | Free |
| FW | Reg Stratton | Kingsley | 10 July 1939 | Fulham | 21 August 1965 | Free |