The 2008–09 season was the 97th season in the history of CD Tenerife and the club's seventh consecutive season in the second division of Spanish football.

In addition to the domestic league, Tenerife participated in this season's edition of the Copa del Rey.

[2] The season covered the period from 1 July 2008 to 30 June 2009.

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

Players may hold more than one non-FIFA nationality.