1945–46 Sussex County Football League

The 1945–46 Sussex County Football League season was the 21st in the history of the competition.

Teams were placed into two separate leagues, Eastern Division and Western Division. With the winners of each league playing in a play-off to decide the overall winner.

Clubs
The league featured 17 clubs, 11 which competed in the 1939–40 season, along with six new clubs:
 * Crawley
 * Bexhill Wanderers
 * Brighton & Hove Albion Juniors
 * CADM & TC (Eastbourne)
 * H.M.S. Peregrine (Ford)
 * R.A.F. Tangmere

Play-off Final
Haywards Heath 1 — 0 Worthing

Source= Sussex County league - Historic League Tables