The 2008–09 season was Aston Villa's 134th professional season; their 98th season in the top-flight and their 21st consecutive season in the top flight of English football, the Premier League. They were managed by Martin O'Neill – in his third season since replacing David O'Leary. The 2008–09 season was the first spell in European competition for O'Neill, and the first for Villa, in 6 seasons.
Aston Villa's 140th professional season was in 2010.