The 2013 season is the 118th year in the club's history, the 102nd season in Clube de Regatas do Flamengo's football existence, and their 43rd in the Brazilian Série A, having never been relegated from the top division.

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

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

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

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