The Ezzelini were a noble family in medieval Italy. The family was founded by Ecelo (Ezzelo), who received the fiefs of Romano d'Ezzelino and Onara

Ezzelino I da Romano (died 1189), called il Balbo

Ezzelino II da Romano (died 1235), called il Monaco, son of Ezzelino I

• Ezzelino III da Romano (1194–1259), called il Tiranno, son of Ezzelino II

• Alberico da Romano (1196–1260), son of Ezzelino II

• Cunizza da Romano (born c. 1198), daughter of Ezzelino II