| RETURN TO LEAGUE LISTING | |||||||||||
| Year | Division | Home | Away | Date | Win | Draw | Loss | Gills Gls | Away Gls | ||
| 1957/1958 | English Division 3 South | Gillingham | 2-1 | Southampton | 28/12/1957 | 1 | 0 | 0 | 2 | 1 | |
| English Division 3 South | Southampton | 5-1 | Gillingham | 31/08/1957 | 0 | 0 | 1 | 1 | 5 | ||
| 1956/1957 | English Division 3 South | Southampton | 0-1 | Gillingham | 02/03/1957 | 1 | 0 | 0 | 1 | 0 | |
| English Division 3 South | Gillingham | 0-0 | Southampton | 20/10/1956 | 0 | 1 | 0 | 0 | 0 | ||
| 1955/1956 | English Division 3 South | Southampton | 1-1 | Gillingham | 02/04/1956 | 0 | 1 | 0 | 1 | 1 | |
| English Division 3 South | Gillingham | 1-2 | Southampton | 30/03/1956 | 0 | 0 | 1 | 1 | 2 | ||
| 1954/1955 | English Division 3 South | Southampton | 3-1 | Gillingham | 01/09/1954 | 0 | 0 | 1 | 1 | 3 | |
| English Division 3 South | Gillingham | 1-0 | Southampton | 25/08/1954 | 1 | 0 | 0 | 1 | 0 | ||
| 1953/1954 | English Division 3 South | Gillingham | 2-0 | Southampton | 27/02/1954 | 1 | 0 | 0 | 2 | 0 | |
| English Division 3 South | Southampton | 1-0 | Gillingham | 10/10/1953 | 0 | 0 | 1 | 0 | 1 | ||
| 1921/1922 | English Division 3 South | Gillingham | 2-0 | Southampton | 03/09/1921 | 1 | 0 | 0 | 2 | 0 | |
| English Division 3 South | Southampton | 2-0 | Gillingham | 27/08/1921 | 0 | 0 | 1 | 0 | 2 | ||
| 1920/1921 | English Division 3 (old) | Southampton | 3-0 | Gillingham | 04/09/1920 | 0 | 0 | 1 | 0 | 3 | |
| English Division 3 (old) | Gillingham | 1-1 | Southampton | 28/08/1920 | 0 | 1 | 0 | 1 | 1 | ||
| Year | Competition | Home | Away | Date | Win | Draw | Loss | Gills Gls | Away Gls | ||
| 2001/2002 | League Cup 3rd Rd | Gillingham | 0-2 | Southampton | 09/10/2001 | 0 | 0 | 1 | 0 | 2 | |
| 1992/1993 | League Cup 2nd Rd 2nd Leg | Southampton | 3-0 | Gillingham | 07/10/1992 | 0 | 0 | 1 | 0 | 3 | |
| League Cup 2nd Rd 2nd Leg | Gillingham | 0-0 | Southampton | 23/09/1992 | 0 | 1 | 0 | 0 | 0 | ||
| 1905/1906 | FA Cup 2nd Rd Replay | Southampton | 1-0 | Gillingham | 07/02/1906 | 0 | 0 | 1 | 0 | 1 | |
| FA Cup 2nd Rd | Gillingham | 0-0 | Southampton | 03/02/1906 | 0 | 1 | 0 | 0 | 0 | ||
| 1898/1899 | FA Cup 1st Rd | Gillingham | 0-1 | Southampton | 28/01/1899 | 0 | 0 | 1 | 0 | 1 | |