This document is a product of the research project entitled “The legal problems of social networking”. The text wishes to make an approach to legal models of regulation of social networks. To achieve this, we identify three models for a comparative study: a) European model, b) U.S. Model c) Latin American model. The study aims to describe the legal treatment of the problems arising from social networks. The article is divided into four sections, the first corresponds to the preview of the concept of social network and virtual social network, the second establishes the relationship between social networks and law, the third presents a description of the legal models and regulatory progress; finally, presents a discussion on the current state of legal regulation on the models described, features, advantages and shortcomings.