Arianna Farfaletti Casali (born 22 June 1976) is a former Italian-born Swiss female pole vaulter.
She won three national championships at senior level, her personal best 4.42 m, set in Busto Arsizio 2008, that was national record, is still the 4th best Italian performance of all-time (3rd outdoor). In 2008 her measure was also the 42nd world best performance of the year in the IAAF season's lists.