Rapallino is an Italian surname of topographic origin, derived from the town of Rapallo, a coastal resort in the Liguria region, near Genoa. The suffix -ino is a common Italian diminutive or locative ending, often meaning "from" or "associated with." Thus, Rapallino literally means "person from Rapallo," characterizing the surname as a geographic identifier for individuals or families who migrated from Rapallo to other parts of Italy.
Surnames originating from place names are widespread in Italy, frequently adopted to distinguish newcomers in a community by their point of origin. The habitational naming convention emerged in the Middle Ages, particularly as population mobility increased between towns and regions. Rapallo itself gained prominence as an independent commune and later as part of the Republic of Genoa. However, unlike some other Italian habitational surnames that belong to noble lineages, Rapallino is relatively rare and more likely rooted in common ancestral migration patterns rather than aristocratic heraldry.
Today, the surname is concentrated almost exclusively in Italy, with highest frequencies in Liguria and neighboring regions. Due to historical emigration from Liguria to South America, particularly Argentina many families bearing the surname may be found outside Europe; nevertheless, it is not a name with widespread diaspora communities.
- Meaning: of habitational origin, meaning "from Rapallo"
- Language: Italian
- Region: Italy (primarily Liguria)
- Type: topographic/habitational surname