| Competition: | Campeonato Paulista Série A3 |
| Season: | 2020 |
| Dates: | 25 January 2020 – 16 November 2020 |
| Winners: | Velo Clube |
| Promoted: | Velo Clube EC São Bernardo |
| Relegated: | Grêmio Osasco Paulista |
| Matches: | 134 |
| Total Goals: | 316 |
| League Topscorer: | Lucas Duni (9 goals) |
| Biggest Home Win: | [1] |
| Biggest Away Win: | |
| Highest Scoring: | [2] |
| Longest Wins: | 5 matches Noroeste |
| Longest Unbeaten: | 6 matches Comercial |
| Longest Winless: | 5 matches Paulista Primavera Nacional |
| Longest Losses: | 4 matches Paulista |
| Highest Attendance: | 5,847 [3] |
| Lowest Attendance: | 66 [4] |
| Attendance: | 54,520 |
| Average Attendance: | 620[5] |
| Prevseason: | 2019 |
| Nextseason: | 2021 |
| Updated: | 21 September 2020 |
The 2020 Campeonato Paulista Série A3 is the 27th season of the third level of the São Paulo state league under its current title and the 67th season overall.
Due to the ongoing COVID-19 pandemic, the season was indefinitely suspended on 16 March.[6] Play was resumed on 19 September.[7] Velo Clube were crowned champions, winning promotion alongside EC São Bernardo.
The following teams have changed division since the 2019 season.
| Club | Location | Stadium | Capacity [8] | |
|---|---|---|---|---|
| Barretos | Barretos | Fortaleza | 9,710 | |
| Batatais | Batatais | Osvaldo Scatena | 7,040 | |
| Capivariano | Capivari | 6,424 | ||
| Comercial | Ribeirão Preto | Palma Travassos | 18,277 | |
| Desportivo Brasil | Porto Feliz | Ernesto Rocco | 6,160 | |
| EC São Bernardo | São Bernardo do Campo | 1º de Maio | 12,578 | |
| Grêmio Osasco | Osasco | Prefeito José Liberatti | 12,158 | |
| Linense | Lins | Gilbertão | 7,348 | |
| Marília | Marília | Bento de Abreu | 15,587 | |
| Nacional | São Paulo (Barra Funda) | Comendador Souza | 10,117 | |
| Noroeste | Bauru | Alfredo de Castilho | 15,420 | |
| Olímpia | Olímpia | Maria Tereza Breda | 6,912 | |
| Paulista | Jundiaí | Jayme Cintra | 12,690 | |
| Primavera | Indaiatuba | Ítalo Limongi | 6,914 | |
| Rio Preto | São José do Rio Preto | Anísio Haddad | 16,145 | |
| Velo Clube | Rio Claro | Benitão | 10,317 |
| Team | Manager1 | Kit manufacturer | Sponsor | |
|---|---|---|---|---|
| Barretos |  Ricardo Moraes | Esporte Fernando | Festa do Peão de Barretos | |
| Batatais | Nívio | Geração Sport | Refrigerantes Jabotí | |
| Capivariano | Ricardo Costa | Mayor | Microsal | |
| Comercial | Fahel Júnior | Geração Sport | Sicredi | |
| Desportivo Brasil | Élio Sizenando | Nike | — | |
| EC São Bernardo | Renato Peixe | Reply | Lava-Roupas Ares | |
| Grêmio Osasco | Leonardo Vitorino | Ícone Sports | EMS | |
| Linense | Xandão | Karilu | Cristalins | |
| Marília | Guilherme Alves | Kanxa | Construtora Pacaembu | |
| Nacional | Tuca Guimarães | Nakal | — | |
| Noroeste | Luís Carlos Martins | Nakal | Unigrês Cerâmica | |
| Olímpia | Zé Humberto | Duda Sport | Grupo Natos | |
| Paulista | Oliveira | Pratic Sports | — | |
| Primavera | Paulo Pereira | D10 Sports | — | |
| Rio Preto | Carlos Rossi | Nakal | Sicoob | |
| Velo Clube | Cleber Gaúcho | Monely | Esmaltec |
| Team | Outgoing manager | Manner of departure | Date of vacancy | Position in table | Incoming manager | Date of appointment |
|---|---|---|---|---|---|---|
| Olímpia | Paulo Mulle | Resigned | 17 December 2019[9] | Pre-season | Mário Tilico | 17 December 2019 |
| Olímpia | Mário Tilico | Sacked | 11 January[10] | Alexandre Ferreira | 11 January | |
| Grêmio Osasco | Luis Carlos | Resigned | 21 January[11] | Bruno Liu | 21 January | |
| Marília | Júlio Sérgio | Sacked | 2 February[12] | 15th | Guilherme Alves | 3 February[13] |
| Primavera | Daniel Sabino | Resigned | 8 February[14] | 12th | Paulo Pereira | 10 February[15] |
| Comercial | Roberval Davino | Mutual consent | 9 February[16] | 14th | Fahel Júnior | 10 February[17] |
| Batatais | Edson Boaro | Resigned | 11 February[18] | 2nd | Nívio | 11 February[19] |
| Rio Preto | Régis Angeli | Resigned | 13 February[20] | 10th | João Santos Ivan Canela (caretakers) | 13 February |
| Paulista | Edson Fio | Sacked | 13 February[21] | 16th | Oliveira | 13 February[22] |
| Grêmio Osasco | Bruno Liu | Sacked | 15 February | 12th | Leonardo David (caretaker) | 16 February |
| Linense | João Vallim | Signed by Taubaté | 19 February[23] | 3rd | Xandão (caretaler) | 19 February |
| Linense | Xandão (caretaler) | End of caretaker spell | 24 February[24] | 2nd | Márcio Ribeiro | 24 February |
| Olímpia | Alexandre Ferreira | Sacked | 1 March[25] | 12th | Paulinho Fonseca (caretaker) | 1 March |
| Olímpia | Paulinho Fonseca (caretaker) | End of caretaker spell | 3 March[26] | 12th | Leandro Chibior | 3 March |
| Rio Preto | João Santos Ivan Canela (caretakers) | End of caretaker spell | 5 March[27] | 12th | Carlos Rossi | 5 March |
| Linense | Márcio Ribeiro | Resigned | 9 March[28] | 7th | Xandão | 10 March[29] |
| Olímpia | Leandro Chibior | Resigned | 10 March[30] | 11th | Zé Humberto | 10 March[31] |
| Grêmio Osasco | Leonardo David (caretaker) | End of caretaker spell | 11 March | 12th | Leonardo Vitorino | 11 March[32] |
| Rank | Player | Club | Goals |
|---|---|---|---|
| 1 | Lucas Duni | Velo Clube | 8 |
| 2 | Victor Sapo | EC São Bernardo | 7 |
| 3 | Felipe | EC São Bernardo | 6 |
| Fabrício Daniel | Noroeste | ||
| Gabriel Barcos | Rio Preto |