The 2012–13 Sporting de Gijón season was the first season that the club played in Segunda División after the relegation from the highest tier of football in Spain, La Liga.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Players may hold more than one non-FIFA nationality.

Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.

Source: Competitive matches Last updated: 11 March 2013Source: Competitive matches and RFEF.esOrdered by , and = Number of bookings; = Number of sending offs after a second yellow card; = Number of sending offs by a direct red card.