Regional 1 South Central

Regional 1 South Central is a level five league in the English rugby union system, with the twelve teams drawn from across southern and South East England. The other level five leagues are Regional 1 Midlands, Regional 1 North West, Regional 1 North East, Regional 1 South East and Regional 1 South West.

Havant are the champions and are promoted to National League 2 East

Format
The twelve teams in this league are drawn from across southern England, with the league champions promoted to National 2 East. The league's bottom two teams are relegated to either Regional 2 Thames or Regional 2 South Central depending on their geographic location. The season runs from September to April and comprises twenty-two rounds of matches, with each club playing each of its rivals home and away. The results of the matches contribute points to the league table as follows:
 * 4 points are awarded for a win
 * 2 points are awarded for a draw
 * 0 points are awarded for a loss, however
 * 1 losing (bonus) point is awarded to a team that loses a match by 7 points or fewer
 * 1 additional (bonus) point is awarded to a team scoring 4 tries or more in a match

Current season
Leaving the league before the season started were Havant who were promoted as champions the previous season. They were replaced by Wimbledon who were relegated from National League 2 East. Bournemouth were relegated. Horsham would also have been relegated but due to obtaining the highest amount of points across those who would have been relegated from level 5, due to the demise of Jersey Reds, were reprieved from relegation. Promoted into the league are Jersey and Old Alleynians who were promoted as champions of Regional 2 South Central and Regional 2 South East respectively. Marlborough RFC transferred across to Regional 1 Tribute South West.

2023-24 season
Teams leaving the league are the champions Wimbledon, promoted to National League 2 East, while two teams are relegated; Wootton Basset (11th position) and Sutton & Epsom (12th) to Regional 2 South Central and Regional 2 Thames respectively. Three teams are promoted from Regional 2 leagues; Hammersmith & Fulham, Horsham and Marlborough from Regional 2 Thames, Regional 2 South East and Regional 2 South Central respectively. CS Rugby 1863 and Tunbridge Wells are both transferred from Regional 1 South East. The remaining seven teams played in this league last season.

Regional 1 South Central honours

 * Horsham were scheduled to be relegated, however due to the demise of Jersey Reds, Horsham were not relegated due to garnering the highest amount of points at level 5.