2021 East Sussex County Council election

The 2021 East Sussex County Council election took place alongside the other local elections. All 50 seats to East Sussex County Council were up for election.

Eastbourne
Division results

Lewes
The incumbent Independent Ruth O'Keeffe did not stand for re-election.

The incumbent Philip Boorman previously stood for the Conservative Party

Rother
Deirdre Earl-Williams vote share is calculated on the 2019 Bexhill West By-Election that she won following the death of her husband, the former incumbent Stuart Earl.

Wealden
Daniel Dak Yan Shing previously stood as a Liberal Democrat before leaving the party due to his father's expulsion for bringing the party into disrepute.

Bob Bowdler was the previous incumbent in Hailsham Market (Wealden)

Stephen Sai Hung Shing was previously an elected councillor for the Liberal Democrats before being expelled for bringing the party into disrepute.

Changes 2021–2025
The Heathfield and Mayfield by-election was triggered by the death of Conservative councillor Rupert Simmons.

The Meads by-election was triggered by the death of Conservative councillor Barry Taylor.