Rebeca Pereira (born 23 March 1993) is a Brazilian professional tennis player. She has a career-high WTA rankings singles ranking of No. 868, achieved on 28 August 2023 and a best doubles ranking of No. 157, reached on 18 July 2022. She has won 15 ITF Women's Tour doubles titles in her career to date.
Pereira played for Brazilian team at the Billie Jean King Cup in 2022.
| {class="wikitable" style=font-size:85% !Legend |
| W60/75 tournaments |
| W25/35 tournaments |
| W15 tournaments |
| Hard (1–2) |
| Clay (14–21) |
| Loss | 0–1 | Jul 2017 | ITF Campos do Jordao, Brazil | W15 | Hard | Nathaly Kurata | Ingrid Martins Camila Giangreco Campiz | 3–6, 6–7(1) |
| Win | 1–1 | Apr 2018 | ITF Villa Dolores, Argentina | W15 | Clay | Bárbara Gatica | Victoria Bosio Julieta Lara Estable | 6–2, 6–4 |
| Loss | 1–2 | Aug 2018 | ITF Guayaquil, Ecuador | W15 | Clay | Bárbara Gatica | Fernanda Brito Sofía Luini | 1–6, 0–6 |
| Loss | 1–3 | Aug 2018 | ITF Lambaré, Paraguay | W15 | Clay | Bárbara Gatica | Fernanda Brito Camila Giangreco Campiz | 4–6, 6–4, 3–10 |
| Win | 2–3 | Sep 2018 | ITF Hilton Head, United States | W15 | Clay | Bárbara Gatica | Allura Zamarripa Maribella Zamarripa | 7–6(2), 3–6, 11–9 |
| Loss | 2–4 | Nov 2018 | Copa Colina, Chile | W60 | Clay | Bárbara Gatica | Quinn Gleason Luisa Stefani | 0–6, 6–4, 7–10 |
| Win | 3–4 | Nov 2018 | ITF Villa del Dique, Argentina | W15 | Clay | Bárbara Gatica | Fernanda Brito Carla Lucero | 6–3, 6–3 |
| Loss | 3–5 | Mar 2019 | ITF Antalya, Turkey | W15 | Clay | Bárbara Gatica | Rina Saigo Yukina Saigo | 6–4, 2–6, 5–10 |
| Loss | 3–6 | May 2019 | ITF Tabarka, Tunisia | W15 | Clay | Bárbara Gatica | Kristyna Hrabalová Joanna Zawadzka | 6–7(4), 7–6(7), 9–11 |
| Win | 4–6 | May 2019 | ITF Tabarka, Tunisia | W15 | Clay | Bárbara Gatica | Eva Vedder Stéphanie Visscher | 6–3, 1–6, 10–5 |
| Loss | 4–7 | Jun 2019 | ITF Tabarka, Tunisia | W15 | Clay | Bárbara Gatica | Natasha Fourouclas Ingrid Vojčináková | 6–3, 4–6, 8–10 |
| Win | 5–7 | Jun 2019 | ITF Périgueux, France | W25 | Clay | Bárbara Gatica | María Herazo González Diāna Marcinkeviča | 6–4, 6–2 |
| Loss | 5–8 | Jul 2019 | ITF Denain, France | W25 | Clay | Bárbara Gatica | Daria Mishina Xu Shilin | 0–6, 5–7 |
| Win | 6–8 | Sep 2019 | ITF São Paulo, Brazil | W15 | Clay | Bárbara Gatica | Eugenia Ganga Thaísa Grana Pedretti | 6–2, 6–4 |
| Loss | 6–9 | Oct 2020 | ITF Monastir, Tunisia | W15 | Clay | Bárbara Gatica | Yvonne Cavallé Reimers Eliessa Vanlangendonck | 4–6, 6–7(3) |
| Win | 7–9 | Oct 2020 | ITF Monastir, Tunisia | W15 | Clay | Bárbara Gatica | Weronika Falkowska Lisa Ponomar | 3–6, 7–6(3), 17–15 |
| Loss | 7–10 | Nov 2020 | ITF Las Palmas, Spain | W15 | Clay | Bárbara Gatica | Andrea Gámiz Guillermina Naya | 6–3, 5–7, 7–10 |
| Loss | 7-11 | Dec 2020 | ITF Madrid, Spain | W15 | Clay | Bárbara Gatica | Ángela Fita Boluda Oksana Selekhmeteva | 6–7(4), 6–1, 5–10 |
| Loss | 7–12 | Apr 2021 | ITF Córdoba, Argentina | W25 | Clay | Bárbara Gatica | Amina Anshba Panna Udvardy | 3–6, 3–6 |
| Loss | 7–13 | Jul 2021 | ITF Tarvisio, Italy | W25 | Clay | Bárbara Gatica | Caijsa Hennemann Nika Radišić | 4–6, 1–6 |
| Loss | 7–14 | Jul 2021 | ITS Cup, Czech Republic | W60 | Clay | Bárbara Gatica | Jessie Aney Anna Sisková | 1–6, 0–6 |
| Win | 8–14 | Jul 2021 | Kozerki Open, Poland | W60 | Clay | Bárbara Gatica | Jang Su-jeong Lee Ya-hsuan | 6–3, 6–1 |
| Loss | 8–15 | Oct 2021 | ITF Rio do Sul, Brazil | W25 | Clay | Bárbara Gatica | Katharina Gerlach Daniela Seguel | 6–7(8), 3–6 |
| Loss | 8–16 | Jan 2022 | ITF Florianópolis, Brazil | W25 | Hard | Bárbara Gatica | Andrea Gámiz Sofia Sewing | 4–6, 1–6 |
| Win | 9–16 | Feb 2022 | ITF Tucumán, Argentina | W25 | Clay | Bárbara Gatica | Andrea Gámiz Paula Ormaechea | 6–3, 7–5 |
| Win | 10–16 | Mar 2022 | ITF Salinas, Ecuador | W25 | Hard | Bárbara Gatica | María Herazo González María Paulina Pérez | 6–4, 6–0 |
| Win | 11–16 | May 2022 | I.ČLTK Prague Open, Czech Republic | W60 | Clay | Bárbara Gatica | Jesika Malečková Miriam Kolodziejová | 6–4, 6–2 |
| Win | 12–16 | Jun 2022 | ITF Périgueux, France | W25 | Clay | Daniela Seguel | Emily Appleton Alexandra Osborne | 6–4, 6–1 |
| Loss | 12–17 | Apr 2023 | ITF Guayaquil, Ecuador | W25 | Clay | Ana Candiotto | Jessie Aney Sofia Sewing | 1–6, 2–6 |
| Win | 13–17 | May 2023 | ITF Curitiba, Brazil | W15 | Clay | Ana Candiotto | Sabastiani León Jazmín Ortenzi | 7–5, 3–6, 10–3 |
| Finalist | –NP- | Nov 2023 | W25 | Hard | Hiroko Kuwata | Anna Hertel Olivia Lincer | not played | |
| Loss | 13–18 | Apr 2024 | Florianópolis Challenger, Brazil | W75 | Clay | Katarina Jokić | Maria Kozyreva Maria Kononova | 4–6, 3–6 |
| Loss | 13–19 | May 2024 | ITF Sopo, Colombia | W35 | Clay | Yuliana Lizarazo | María Portillo Ramírez Noelia Zeballos | 4–6, 4–6 |
| Win | 14–19 | Jun 2024 | ITF Rio Claro, Brazil | W15 | Clay | Camila Romero | Jazmín Ortenzi Lucciana Pérez Alarcón | 6–3, 6–1 |
| Loss | 14–20 | Sep 2024 | ITF Leme, Brazil | W35 | Clay | Camila Romero | Miriana Tona Noelia Zeballos | 6–4, 4–6, 4–10 |
| Win | 15–20 | Jun 2025 | ITF Ystad, Sweden | W35 | Clay | Katarina Jokić | June Björk Emma Kamper | 1–6, 6–2, 10–7 |
| Loss | 15–21 | Jul 2025 | ITF Darmstadt, Germany | W35 | Clay | Fernanda Labraña | Chelsea Fontenel Marie Mattel | 3–6, 4–6 |
| Loss | 15–22 | Jul 2025 | ITF Horb, Germany | W35 | Clay | Jazmín Ortenzi | Tessa Brockmann Josy Daems | 7–5, 2–6, 2–10 |
| Loss | 15–23 | Oct 2025 | ITF São João da Boa Vista, Brazil | W15 | Clay | Júlia Konishi Camargo Silva | Jazmín Ortenzi María Paulina Pérez | 3–6, 7–6(3), 7–10 |
|
|