Yakin Maldon wani gagarumin yaki ne da aka yi a kasar Ingila a shekara ta 991 miladiyya, tsakanin Anglo-Saxon karkashin jagorancin Earl Byrhtnoth da mamaya na Viking karkashin jagorancin Olaf Tryggvason. An yi yakin ne a kusa da garin Maldon, a cikin Essex, kuma ya haifar da nasara ga Vikings. Yaƙin ya yi fice don kasancewa ɗaya daga cikin ƴan yaƙe-yaƙe na zamanin Anglo-Saxon wanda cikakken bayani ya tsira a rubuce, a cikin sigar tsohuwar waƙar Turanci "Yaƙin Maldon".