This article covers 1257 in poetry.

• Bostan, a book of poetry, is completed by Saadi

• Cecco d'Ascoli (died 1327), Italian encyclopaedist, physician and poet

• Yuan Haowen (born 1190), Chinese Sanqu poetry writer
• Lanfranc Cigala died 1257 or 1258 (born unknown), Genoese nobleman, knight, judge, and man of letters