Gillingham Football Club is a professional association football club based in the town of Gillingham, Kent, England. The only Kent-based club in the Football League, the "Gills" play their home matches at Priestfield Stadium. The team competes in League Two, the fourth tier of the English football league system, in the 2023–24 season.

Martin James Allen is an English football manager and former player. He played more than 100 games as a midfielder for both Queens Park Rangers and West Ham United before finishing his playing career with Portsmouth and Southend United. Five years later, he took his first job in management, at non-league Barnet. He has since managed Brentford, Milton Keynes Dons, Leicester City, Cheltenham Town and Notts County. He rejoined Barnet as manager on 16 April 2012 on a short-term, three-match contract succeeding Lawrie Sanchez. In July 2012 he became manager of Gillingham and in the 2012–13 season led the team to the Football League Two title, earning Allen his first promotion as a manager and Gillingham's first divisional title in 49 years. He was sacked as Gillingham manager in October 2013. Allen rejoined Barnet for a fourth spell in 2014, leading the Bees back into League Two before dropping divisions to join Eastleigh in December 2016, a role he held only until the following February.