Romina Ottoboni (born 19 June 1978) is an Argentinian former professional tennis player.
Ottoboni reached a best singles ranking of 286 and won five ITF Circuit titles. As a doubles player she was more successful, with 14 titles on the ITF Circuit and the highest world ranking of 157.
On the WTA Tour, Ottoboni was a three-time doubles quarterfinalist and made her only singles main-draw appearance at the Copa Colsanitas in Bogotá, as a qualifier. She defeated the second seed in qualifying, Jelena Dokic, before being eliminated in the first round of the main draw by Gisela Riera.
Ottoboni most recently played in a professional match in March 2003, losing in the first round of an ITF doubles tournament in Rabat, Morocco. She played her final singles match a year prior, in April 2002, in Belo Horizonte, Brazil where she lost in the first round of the main draw as a qualifier.