| Cllr C C Cannell, Liberal Democrat Group | 06 May 2021 | 14 November 2021 |
| Cllr P A Capon | 26 January 2015 | 06 May 2015 |
| Cllr Mrs T J Capon | 26 January 2015 | 06 May 2015 |
| Cllr Mrs T L Carter Conservative Group | 02 May 2019 | 03 May 2023 |
| Cllr Mrs I Cassar, Green & Rochford District Residents Group | 05 May 2016 | 15 December 2017 |
| Mr R Choppen | 02 May 2002 | 03 May 2006 |
| Cllr NL Cooper, Friends of Rochford Group | 05 May 2016 | 01 May 2019 |
| Cllr J P Cottis BSc (Hons) | 06 May 2010 | 21 May 2014 |
| Cllr TG Cutmore, Conservative Group | 03 May 2018 | 31 March 2020 |
| Cllr Mrs J Dillnutt | 03 May 2007 | 04 May 2011 |