Which Old English epic poem survives in the Nowell Codex?

The Old English epic poem that survives in the Nowell Codex is Beowulf.

The Nowell Codex is the second manuscript in the composite volume Cotton MS Vitellius A XV, now held by the British Library. Beowulf occupies much of this manuscript and is the only surviving copy of the poem. The text was written in Old English, probably around the turn of the first millennium, although its story describes an earlier Scandinavian world.

The manuscript contains more than Beowulf. Its other notable works include Wonders of the East, a prose account of distant lands and fantastic creatures, a translation of the Letter of Alexander to Aristotle, and the poem Judith. The codex is named after the antiquarian Laurence Nowell, whose name appears on its first page.

The Battle of Maldon, The Seafarer, and The Wanderer are also important Old English poems, but they survive in different manuscripts. Beowulf is sometimes called the Beowulf manuscript because its fame has become so closely associated with the Nowell Codex.