Ada Rosa del Valle Itúrrez de Cappellini is an Argentine Justicialist Party politician.

She was a National Senator for Santiago del Estero Province from 2007 to 2019, elected for the Civic Front for Santiago and supporting the majority block of the Front for Victory.

Cappellini served as Mayor of Villa Ojo de Agua, a position later held by her husband.

[2] In the provincial legislature she led the Bases Populares block.

She and her fellow Civic Front senator Emilio Rached form their own block but support the Kirchners' Front for Victory.