Joana Amorim Cortez dos Santos (born 11 January 1979) is a former professional Brazilian tennis player.

In her career, Cortez won seven singles and 26 doubles titles on the ITF Women's Circuit. On 17 September 2001, she reached her best singles ranking of world No. 204. On 5 November 2001, she peaked at No. 115 in the doubles rankings.

Cortez represented Brazil at the 2000 Summer Olympics in women's doubles, reaching the second round with Vanessa Menga. A year previously, the pair won gold at the 1999 Pan American Games. Cortez won gold again in 2003, partnering Bruna Colósio, and in 2007 won bronze with Teliana Pereira in Rio.

Playing for Brazil in the Fed Cup, Cortez has a win–loss record of 23–14.

Cortez played and lost two doubles matches in major events, at the 2001 US Open and in 2002 in Australia.

After retiring from the tour, she became a beach tennis player.^[1]

Result	No.	Date	Tournament	Surface	Opponent	Score
Loss	1.	29 November 1998	ITF Rio de Janeiro, Brazil	Hard	Valentina Sassi	6–7, 6–3, 3–6
Win	2.	9 May 1999	ITF Poza Rica, Mexico	Hard	Nadia Johnston	6–3, 3–6, 6–2
Win	3.	16 May 1999	ITF Tampico, Mexico	Hard	Kylie Hunt	6–3, 6–3
Win	4.	30 August 1999	ITF Querétaro City, Mexico	Clay	Katarina Mišić	4–6, 7–6(5), 6–2
Win	5.	16 April 2000	ITF Belo Horizonte, Brazil	Hard	Betsy Miringoff	6–3, 6–7(5), 6–3
Loss	6.	1 May 2000	ITF Coatzacoalcos, Mexico	Hard	Miriam D'Agostini	4–6, 6–2, 1–6
Win	7.	1 April 2001	ITF Santiago, Chile	Clay	Vanina García Sokol	6–3, 6–3
Loss	8.	28 May 2001	ITF Biella, Italy	Clay	Dally Randriantefy	1–6, 1–6
Loss	9.	10 March 2003	ITF Matamoros, Mexico	Hard	Maria Fernanda Alves	6–3, 4–6, 2–6
Loss	10.	24 March 2003	ITF Monterrey, Mexico	Hard	Maria Fernanda Alves	6–4, 6–7(3), 4–6
Win	11.	11 October 2004	ITF Campo Grande, Brazil	Clay	Estefanía Craciún	6–1, 6–1
Loss	12.	28 November 2004	ITF Florianópolis, Brazil	Clay	Micaela Moran	6–2, 2–6, 2–6
Loss	13.	12 June 2005	ITF Nazaré, Portugal	Hard	Florencia Molinero	5–7, 6–3, 0–6
Loss	14.	7 November 2005	ITF São Paulo, Brazil	Hard	Florencia Molinero	5–7, 6–7(3)
Win	15.	11 November 2006	ITF Caracas, Venezuela	Clay	Marina Giral Lores	7–5, 7–6(4)

Result	No.	Date	Tournament	Surface	Partner	Opponents	Score
Loss	1.	10 November 1996	ITF Campinas, Brazil	Clay	Roberta Burzagli	Larissa Schaerer Cintia Tortorella	7–5, 3–6, 3–6
Win	2.	20 October 1997	ITF Novo Hamburgo, Brazil	Clay	Ana-Paula Zannoni	Miriam D'Agostini Vanessa Menga	6–3, 6–7(4), 6–1
Loss	3.	5 October 1998	ITF Montevideo, Uruguay	Hard	Eugenia Maia	Zsófia Gubacsi Mariana López Palacios	6–3, 3–6, 4–6
Loss	4.	30 November 1998	Rio de Janeiro, Brazil	Clay	Sabrina Valenti	Kildine Chevalier Silvia Uríčková	2–6, 6–3, 3–6
Loss	5.	16 May 1999	Tampico, Mexico	Hard	Carla Tiene	Melody Falcó Joelle Schad	3–6, 6–4, 4–6
Loss	6.	30 August 1999	Querétaro, Mexico	Clay	Carla Tiene	Milagros Sequera Gabriela Voleková	6–4, 3–6, 4–6
Win	7.	12 September 1999	Mexico City, Mexico	Clay	Vanessa Menga	Melody Falcó Joelle Schad	6–4, 6–2
Win	8.	28 November 1999	Rio de Janeiro, Brazil	Clay	Celeste Contín	Miriam D'Agostini Carla Tiene	6–1, 3–6, 6–3
Loss	9.	28 February 2000	Chengdu City, China	Hard	Katalin Marosi	Li Na Li Ting	1–6, 3–6
Win	10.	16 April 2000	Belo Horizonte, Brazil	Hard	Miriam D'Agostini	Tassia Sono Carla Tiene	6–4, 6–1
Loss	11.	1 May 2000	Coatzacoalcos, Mexico	Hard	Miriam D'Agostini	Milagros Sequera Gabriela Voleková	6–4, 3–6, 5–7
Loss	12.	14 May 2000	Midlothian, United States	Clay	Miriam D'Agostini	Dawn Buth Julie Scott	3–6, 2–6
Win	13.	21 May 2000	Jackson, United States	Clay	Miriam D'Agostini	Karin Miller Jessica Steck	6–4, 5–7, 6–1
Loss	14.	11 June 2000	Galatina, Italy	Clay	Miriam D'Agostini	Alice Canepa Mariana Díaz-Oliva	4–6, 6–4, 4–6
Loss	15.	2 July 2000	Orbetello, Italy	Clay	Miriam D'Agostini	Li Ting Li Na	3–6, 6–7(3)
Win	16.	9 October 2000	Mexico City, Mexico	Hard	Vanessa Menga	Kirstin Freye Kelly Liggan	5–3, 5–4(6–4), 4–0
Win	17.	10 December 2000	Bogotá, Colombia	Hard	Mariana Díaz Oliva	Clarisa Fernández Conchita Martínez Granados	3–6, 6–1, 6–2
Win	18.	29 January 2001	Clearwater, United States	Hard	Clarisa Fernández	Evgenia Kulikovskaya Jolene Watanabe	6–1, 7–5
Loss	19.	15 April 2001	San Luis Potosí, Mexico	Clay	Clarisa Fernández	Eugenia Chialvo Conchita Martínez Granados	7–6(3), 1–6, 1–6
Win	20.	28 May 2001	Biella, Italy	Clay	Vanessa Menga	Daniela Klemenschits Sandra Klemenschits	7–6(4), 4–6, 6–3
Win	21.	25 June 2001	Fontanafredda, Italy	Clay	Vanessa Menga	Melisa Arévalo Natalia Gussoni	6–3, 6–3
Loss	22.	5 August 2001	Alghero, Italy	Hard	Maret Ani	Trudi Musgrave Julie Pullin	4–6, 5–7
Loss	23.	17 September 2001	São José dos Campos, Brazil	Clay	Conchita Martínez Granados	Vanessa Menga Daniela Olivera	6–4, 5–7, 3–6
Loss	24.	13 May 2002	Bromma, Sweden	Clay	Tiffany Dabek	Katarina Mišić Dragana Zarić	4–6, 4–6
Win	25.	24 November 2002	Mallorca, Spain	Clay	Rosa María Andrés Rodríguez	Ema Janašková Vladimíra Uhlířová	6–3, 6–1
Loss	26.	23 February 2003	Columbus, United States	Hard (i)	Bruna Colósio	Li Ting Sun Tiantian	3–6, 1–6
Loss	27.	10 March 2003	Matamoros, Mexico	Hard	Carla Tiene	Melisa Arévalo Maria Fernanda Alves	0–6, 5–7
Loss	28.	17 March 2003	Monterrey, Mexico	Hard	Carla Tiene	Caroline-Ann Basu Kildine Chevalier	4–6, 6–3, 5–7
Win	29.	25 May 2003	Catania, Italy	Clay	Bruna Colósio	Aurélie Védy Christina Zachariadou	6–1, 6–1
Loss	30.	31 August 2003	Asuncion, Paraguay	Clay	Marina Tavares	Jorgelina Cravero Carla Tiene	3–6, 4–6
Win	31.	5 October 2003	Greenville, United States	Clay	Bruna Colósio	Kelly McCain Kristen Schlukebir	6–2, 7–5
Loss	32.	9 November 2003	Belo Horizonte, Brazil	Hard	Bruna Colósio	Marcela Evangelista Carla Tiene	3–6, 6–7(4)
Win	33.	16 November 2003	Mexico City, Mexico	Hard	Bruna Colósio	Maria Fernanda Alves Carla Tiene	1–6, 6–3, 6–3
Loss	34.	16 May 2004	Monzón, Spain	Hard	Marina Tavares	Larissa Carvalho Neuza Silva	2–6, 4–6
Loss	35.	14 June 2004	Lenzerheide, Switzerland	Clay	Marina Tavares	Erica Krauth Aurélie Védy	2–6, 4–6
Loss	36.	18 October 2004	Goiânia, Brazil	Clay	Marcela Evangelista	María José Argeri Letícia Sobral	3–6, 3–6
Win	37.	28 November 2004	Florianópolis, Brazil	Clay	Marcela Evangelista	Fernanda Hermenegildo Sarah Tami Masi	6–4, 6–4
Loss	38.	1 February 2005	Rockford, United States	Hard (i)	Svetlana Krivencheva	Julie Ditty Vladimíra Uhlířová	6–3, 5–7, 5–7
Loss	39.	27 March 2005	San Luis Potosi, Mexico	Clay	Tomoko Yonemura	Lourdes Domínguez Lino Clarisa Fernández	2–6, 2–6
Win	40.	15 May 2005	Casale Monferrato, Italy	Clay	Roxane Vaisemberg	Katalin Marosi Gloria Pizzichini	6–2, 6–0
Win	41.	6 June 2005	Nazaré, Portugal	Hard	Silvia Disderi	Nana Urotadze Pemra Özgen	6–7(3), 6–1, 6–4
Win	42.	26 June 2005	Alcobaça, Portugal	Hard	Laura Zelder	Rebecca Fong Kirsty Woolley	w/o
Win	43.	29 August 2005	Amarante, Portugal	Hard	Neuza Silva	Flavia Mignola Gabriela Velasco Andreu	6–2, 6–3
Loss	44.	18 September 2005	Sofia, Bulgaria	Clay	Karolina Kosińska	Sanja Ančić Tamira Paszek	7–6(9), 2–6, 4–6
Loss	45.	26 February 2006	Portimão, Portugal	Hard	Magali de Lattre	Sanne van den Biggelaar Suzanne van Hartingsveldt	w/o
Loss	46.	15 April 2006	San Luis Potosí, Mexico	Clay	María José Martínez Sánchez	Zsófia Gubacsi Matea Mezak	6–4, 4–6, 4–6
Win	47.	11 June 2006	Móstoles, Spain	Hard	María José Martínez Sánchez	Carla Tiene Jenifer Widjaja	6–3, 6–2
Loss	48.	10 July 2006	Brussels, Belgium	Clay	Aleksandra Srndovic	Iveta Gerlová Carmen Klaschka	3–6, 2–6
Loss	49.	6 August 2006	Vigo, Spain	Clay	Larissa Carvalho	María José Argeri Letícia Sobral	4–6, 3–6
Loss	50.	8 August 2006	Coimbra, Portugal	Hard	Neuza Silva	María José Argeri Letícia Sobral	6–7(4), 6–7(5)
Win	51.	13 October 2006	Saltillo, Mexico	Hard	Larissa Carvalho	Monique Adamczak Marie-Ève Pelletier	6–2, 7–5
Win	52.	30 October 2006	Santa Cruz, Bolivia	Clay	Jorgelina Cravero	Soledad Esperón Carla Tiene	6–2, 4–6, 6–4
Loss	53.	11 November 2006	Caracas, Venezuela	Clay	Fabiana Mak	Marina Giral Lores Mariana Muci	6–4, 5–7, 5–7
Win	54.	18 November 2006	Mexico City, Mexico	Clay	Larissa Carvalho	Ivana Abramović Maria Abramović	7–5, 6–2
Loss	55.	8 July 2007	Mont-de-Marsan, France	Clay	Teliana Pereira	Nina Bratchikova Neuza Silva	6–3, 7–6(3)
Win	56.	4 August 2007	Campos do Jordão, Brazil	Hard	Roxane Vaisemberg	María José Argeri Letícia Sobral	7–5, 6–0
Win	57.	18 August 2007	Bogotá, Colombia	Clay	Roxane Vaisemberg	Ana Clara Duarte Teliana Pereira	5–7, 6–4, 6–4
Loss	58.	13 September 2007	Sofia, Bulgaria	Clay	Teliana Pereira	Mihaela Buzărnescu Magdalena Kiszczyńska	6–4, 6–7(2), [10–4]
Loss	59.	25 November 2007	ITF Sintra, Portugal	Clay	Roxane Vaisemberg	Nicole Clerico Teliana Pereira	4–6, 2–6
Loss	60.	28 April 2008	ITF Bell Ville, Argentina	Clay	Natalia Guitler	Tatiana Búa Karen Castiblanco	4–6, 6–1, [7–10]
Win	61.	13 September 2008	ITF Santos, Brazil	Clay	Natalia Guitler	Ana Clara Duarte Fernanda Hermenegildo	6–1, 6–3

• Joana Cortez at the Women's Tennis Association
• Joana Cortez at the International Tennis Federation
• Joana Cortez at the Billie Jean King Cup (archived)
• Official website (in Portuguese)