Ko te Siege o Rānana he wāhanga o te Wars o nga Roses i waenganui i te 12 me te 15 o Mei 1471, i roto i nei i te mau melo o te Whare o Lancaster whakahaua e Thomas Neville kore i ngana ki te whakaeke i te pa, me te noa Kingi Henry VI, i nei i herea i roto i te Tower o Rānana e tona hoa riri Edward IV o te Whare o York. Ko tēnei taupatupatu, i te mutunga o ngā pakanga o
Ko Barnet rāua ko Tewkesbury, i whakaoti i te whakaoranga whakamutunga o Edward IV, ā, i whakarite i te noho a Yorkist ki te torona.