1) Sephardic surname 
Sarfati (צרפתי; also spelled Sarfatti, Sarphati, Serfaty, Sarfaty, Zarfati, Tsarfati, Tzarfati and Tzarfaty) is a Sephardic Jewish surname. It means `French`. It is believed that the surname may be linked to Rashi by way of his grandson Rabbeinu Tam, but the connection, although anchored in the Ketubot traditions has never been fully proven.....