Italiaonline S.p.A. (previously Italiaonline S.r.l.) is an Italian company active throughout the entire supply chain of digital marketing solutions and online communication, born in 2016 from the merger by incorporation of the old Italiaonline S.p.A. with Seat Pagine Gialle S.p.A.

The company's goal is to digitize the Italian small and medium-sized enterprises. In 2017, it was the first Italian digital company by number of unique users, on average, per day.

Its legal headquarters is located in Assago (MI).

Currently, Italiaonline includes the email services Libero Mail and Virgilio Mail, the services PagineGialle, PagineBianche, and Tuttocittà, the portals Libero, Virgilio, superEva; the vertical portals Di Lei, QuiFinanza, SiViaggia, Virgilio Motori, Virgilio Video, and Buonissimo, the telephone utilities 89.24.24 and 12.40, and about 50 media agencies.