This is a list of Italian football transfers featuring at least one Serie A or Serie B club which were completed after the end of the 2012–13 season and before the end of the 2013 summer transfer window. The window formally opened on 2 July and closed on 2 September 2013 (two months), but Lega Serie A and Lega Serie B accepted to document any transfer before that day; however, those players would only able to play for their new clubs at the start of the 2012–13 season. Free agents could join any club at any time.
This list does not include co-ownership resolutions, which had to be renewed or resolved no later than 20 June 2013.
June to July 2013 Legend Those clubs in Italic indicated that the player already left on loan in previous season or 2013 new signing that immediately left the club Non-EU transfer from and to abroad were marked yellow, excluding loan deal that turned definitive and renewed loans. Serie A clubs could only signed 2 non-EU players from abroad by certain criteria, such as replace departed non-EU player or the club completely did not have non-EU players.