Pontedassio ( or ) is a comune (municipality) in the Province of Imperia in the Italian region Liguria. It is situated about southwest of Genoa and about north of Imperia. As of December 31, 2004, it has a population of 2,159 and an area of .
Pontedassio borders the following municipalities: Chiusanico, Chiusavecchia, Diano Arentino, Imperia, Lucinasco, and Vasia.