West Ham fans have taken part in pitch invasions and protests against the club's board of directors and their perceived financial mismanagement, after poor performances on the pitch or to show disapproval at the sale or purchase of players such as Lee Bowyer.
West Ham penggemar telah mengambil bagian dalam serangan lapangan dan protes terhadap dewan direksi klub dan dirasakan salah urus keuangan klub, setelah penampilan buruk di lapangan atau untuk menunjukkan ketidaksetujuan pada penjualan atau pembelian pemain seperti Lee Bowyer.