Counties 2 Sussex
| Current season or competition: 2024–25 Counties 2 Sussex | |
| Sport | Rugby union |
|---|---|
| Instituted | 2022 |
| Number of teams | 10 |
| Country | England |
| Holders | Haywards Heath (2023–24) (promoted to Counties 1 Surrey/Sussex) |
| Website | englandrugby.com |
Counties 2 Sussex is a level 8 English Rugby Union League. It is made up of teams from Sussex with teams playing home and away matches from September through to April. Promoted teams move up to Counties 1 Surrey/Sussex relegated teams move down to Harvey’s brewery Counties 3 Sussex. It was previously known as Sussex 1 prior to the RFU Adult Competition Review. It is administered by Sussex Rugby. and the London & SE RFU.
Each year some of the clubs in this division also take part in the RFU Junior Vase - a level 9-12 national competition.