| RETURN TO LEAGUE LISTING | |||||||||||
| Year | Division | Home | Away | Date | Win | Draw | Loss | Gills Gls | Away Gls | ||
| 2004/2005 | Football League Championship | Gillingham | 1-1 | Cardiff City | 30/04/2005 | 0 | 1 | 0 | 1 | 1 | |
| Football League Championship | Cardiff City | 3-1 | Gillingham | 04/12/2004 | 0 | 0 | 1 | 1 | 3 | ||
| 2003/2004 | English Division 1 | Gillingham | 1-2 | Cardiff City | 03/04/2004 | 0 | 0 | 1 | 1 | 2 | |
| English Division 1 | Cardiff City | 5-0 | Gillingham | 13/09/2003 | 0 | 0 | 1 | 0 | 5 | ||
| 1999/2000 | English Division 2 | Gillingham | 4-1 | Cardiff City | 02-05-2000 | 1 | 0 | 0 | 4 | 1 | |
| English Division 2 | Cardiff City | 1-2 | Gillingham | 27-11-1999 | 1 | 0 | 0 | 2 | 1 | ||
| 1995/1996 | English Division 3 | Cardiff City | 2-0 | Gillingham | 24-02-1996 | 0 | 0 | 1 | 0 | 2 | |
| English Division 3 | Gillingham | 1-0 | Cardiff City | 16-09-1995 | 1 | 0 | 0 | 1 | 0 | ||
| 1992/1993 | English Division 3 | Gillingham | 0-1 | Cardiff City | 23-01-1993 | 0 | 0 | 1 | 0 | 1 | |
| English Division 3 | Cardiff City | 3-1 | Gillingham | 19-09-1992 | 0 | 0 | 1 | 1 | 3 | ||
| 1991/1992 | English Division 4 | Cardiff City | 2-3 | Gillingham | 10-03-1992 | 1 | 0 | 0 | 3 | 2 | |
| English Division 4 | Gillingham | 0-0 | Cardiff City | 05-11-1991 | 0 | 1 | 0 | 0 | 0 | ||
| 1990/1991 | English Division 4 | Cardiff City | 2-0 | Gillingham | 15-02-1991 | 0 | 0 | 1 | 0 | 2 | |
| English Division 4 | Gillingham | 4-0 | Cardiff City | 24-11-1990 | 1 | 0 | 0 | 4 | 0 | ||
| 1988/1989 | English Division 3 (old) | Gillingham | 1-2 | Cardiff City | 11-03-1989 | 0 | 0 | 1 | 1 | 2 | |
| English Division 3 (old) | Cardiff City | 1-0 | Gillingham | 05-11-1988 | 0 | 0 | 1 | 0 | 1 | ||
| 1985/1986 | English Division 3 (old) | Cardiff City | 1-1 | Gillingham | 15-03-1986 | 0 | 1 | 0 | 1 | 1 | |
| English Division 3 (old) | Gillingham | 2-0 | Cardiff City | 12-10-1985 | 1 | 0 | 0 | 2 | 0 | ||
| 1982/1983 | English Division 3 (old) | Gillingham | 2-3 | Cardiff City | 26-02-1983 | 0 | 0 | 1 | 2 | 3 | |
| English Division 3 (old) | Cardiff City | 1-0 | Gillingham | 16-10-1982 | 0 | 0 | 1 | 0 | 1 | ||
| 1975/1976 | English Division 3 (old) | Cardiff City | 4-1 | Gillingham | 14-02-1976 | 0 | 0 | 1 | 1 | 4 | |
| English Division 3 (old) | Gillingham | 2-2 | Cardiff City | 08-11-1975 | 0 | 1 | 0 | 2 | 2 | ||
| 1937/1938 | English Division 3 South | Gillingham | 1-0 | Cardiff City | 19-03-1938 | 1 | 0 | 0 | 1 | 0 | |
| English Division 3 South | Cardiff City | 4-0 | Gillingham | 06-11-1937 | 0 | 0 | 1 | 0 | 4 | ||
| 1936/1937 | English Division 3 South | Cardiff City | 2-0 | Gillingham | 24-04-1937 | 0 | 0 | 1 | 0 | 2 | |
| English Division 3 South | Gillingham | 0-0 | Cardiff City | 19/12/1936 | 0 | 1 | 0 | 0 | 0 | ||
| 1935/1936 | English Division 3 South | Cardiff City | 4-0 | Gillingham | 25/01/1936 | 0 | 0 | 1 | 0 | 4 | |
| English Division 3 South | Gillingham | 3-0 | Cardiff City | 21/09/1935 | 1 | 0 | 0 | 3 | 0 | ||
| 1934/1935 | English Division 3 South | Gillingham | 1-0 | Cardiff City | 20/04/1935 | 1 | 0 | 0 | 1 | 0 | |
| English Division 3 South | Cardiff City | 0-2 | Gillingham | 08/12/1934 | 1 | 0 | 0 | 2 | 0 | ||
| 1933/1934 | English Division 3 South | Cardiff City | 1-3 | Gillingham | 10/02/1934 | 1 | 0 | 0 | 3 | 1 | |
| English Division 3 South | Gillingham | 6-2 | Cardiff City | 30/09/1933 | 1 | 0 | 0 | 6 | 2 | ||
| 1932/1933 | English Division 3 South | Gillingham | 1-1 | Cardiff City | 27/12/1932 | 0 | 1 | 0 | 1 | 1 | |
| English Division 3 South | Cardiff City | 1-0 | Gillingham | 26/12/1932 | 0 | 0 | 1 | 0 | 1 | ||
| 1931/1932 | English Division 3 South | Cardiff City | 1-0 | Gillingham | 28/03/1932 | 0 | 0 | 1 | 0 | 1 | |
| English Division 3 South | Gillingham | 1-1 | Cardiff City | 25/03/1932 | 0 | 1 | 0 | 1 | 1 | ||
| Year | Competition | Home | Away | Date | Win | Draw | Loss | Gills Gls | Away Gls | ||
| 1996/1997 | FA Cup 2nd Rd | Cardiff City | 0-2 | Gillingham | 07/12/1996 | 1 | 0 | 0 | 2 | 0 | |
| AM Cup 1st Rd South | Gillingham | 1-2 | Cardiff City | 03/12/1996 | 0 | 0 | 1 | 1 | 2 | ||
| 1995/1996 | AM Cup Southern Section | Cardiff City | 3-2 | Gillingham | 17/10/1995 | 0 | 0 | 1 | 2 | 3 | |
| 1984/1985 | FA Cup 3rd Rd | Gillingham | 2-1 | Cardiff City | 21/01/1985 | 1 | 0 | 0 | 2 | 1 | |
| 1923/1924 | FA Cup 1st Rd Replay | Gillingham | 0-2 | Cardiff City | 16/01/1924 | 0 | 0 | 1 | 0 | 2 | |
| FA Cup 1st Rd | Cardiff City | 0-0 | Gillingham | 12/01/1924 | 0 | 1 | 0 | 0 | 0 | ||
| League | W | D | L | GF | GA | ||||||
| Home | 8 | 6 | 4 | 31 | 16 | ||||||
| Away | 4 | 1 | 13 | 14 | 38 | ||||||