María Portillo Ramírez
María José Portillo Ramírez is a Mexican tennis player.
She has career-high WTA rankings of 377 in singles and 229 in doubles. Portillo Ramírez has won two singles titles and 18 doubles titles at tournaments of the ITF Women's Circuit.
Playing for the Mexico Fed Cup team, she has a win/loss record of 3–1.
ITF Circuit finals
Singles: 7 (2 titles, 5 runner-ups)
| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | |||||||||||||||
| Win | 1–0 | May 2018 | ITF Tacarigua, Trinidad and Tobago | W15 | Hard |  Doubles: 27 (19 titles, 8 runner-ups)
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