Dahiana Ortiz (born 27 November 2001)[1] is a Dominican Republic weightlifter.

She won the gold medal in the women's 49 kg event at the 2023 Pan American Games held in Santiago, Chile.

[2][3] She won the silver medal in her event at the 2021 Pan American Weightlifting Championships held in Guayaquil, Ecuador.

[4][5] She won the gold medal in the women's 49 kg Clean & Jerk event and the bronze medal in the women's 49 kg Snatch event.

Ortiz represented the Dominican Republic at the 2018 Summer Youth Olympics held in Buenos Aires, Argentina.