Barbara Fantechi is an Italian mathematician and Professor at the International School for Advanced Studies.

Fantechi received her Laurea from the University of Pisa in 1988, with thesis Secanti di varietà proiettive e applicazioni.

[5][6] In 2018, Fantechi received the Prof. Luigi Tartufari award from the Accademia dei Lincei.

[7] She was awarded the MSRI Chancellor's Professorship for 2017-2018, and spent a year at the University of California, Berkeley.

[1] In 2022, Fantechi was the first woman mathematician to become a member of the Accademia dei Lincei.