Canute Agung (c. 985 atau 995 – 12 November 1035), ataupun lebih dikenali sebagaiCnut, merupakan rajaDenmark,England dan sebahagianSweden. Jika ketiga-tiga negara itu bergabung, Canute Agung akan dikenali sebagai rajaEmpayar Laut Utara. Selepas kemangkatan beliau, puakNorman menakluk England pada tahun 1066. Kehilangan beliau antara terbesar dalam sejarah. Salah seorang sejarawan mendapati beliau ialah "raja paling berkesan dalam sejarah Anglo-Saxon."
Semasa menjadi Putera Denmark, Canute menaiki takhta England pada tahun 1016 pada zaman kemuncak Viking di barat laut Eropah. Beliau menaiki takhta Denmark pada tahun 1018 dan menggabungkan kemahkotaan England dan Denmark. Selepas sedekad berkonflik diScandinavia, Cnut merampas takhta Norway diTrondheim pada tahun 1028. Kota Sweden,Sigtuna dipegang oleh Cnut.[2] Selepas kejayaan beliau menentang Norway dan Sweden pada tahun 1026, beliau mengatakan beliau adalah "Raja seluruh England dan Denmark dan Norway dan sebahagian Sweden".[3]
^ Ibu Canute Agung merupakan subjek perdebatan utama kerana ahli-ahli sejarah berpendapat nama-nama tertunjuk ialah mungkin antara nama ibu Canute Agung.
^Graslund, B.,'Knut den store och sveariket: Slaget vid Helgea i ny belysning',Scandia, vol. 52 (1986), pp. 211–238.
^Lawson,Cnut, p. 97. The Anglo-Saxon kings used the title "king of the English". Canute wasealles Engla landes cyning—"king of all England."
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