Pian di Scò is a frazione located in the Province of Arezzo within the Tuscany region of Italy. It is situated in the Valdarno area, approximately 30 kilometres (19 mi) southeast of Florence and about 35 kilometres (22 mi) northwest of Arezzo.
Historically, Pian di Scò functioned as an independent commune until 2014. Following this period, it was merged with the municipality of Castelfranco di Sopra to form the new administrative entity known as Castelfranco Piandiscò.