The 2009–10 season was Hartlepool United's 101st year in existence and their third consecutive season in League One.

[1] Along with competing in League One, the club also participated in the FA Cup, League Cup and League Trophy.

The season covers the period from 1 July 2009 to 30 June 2010.

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

Players may hold more than one non-FIFA nationality.