Mariko Hattori is a Japanese tanka poet. She is recognized as one of the leading voices in contemporary tanka, known for poems that explore memory, time, and everyday life through precise language and richly evocative imagery. In 2023, she received the Chōkū Prize for her collection "Ike Hirono e to." Her best-known collection, "Ike Hirono e to," captures the subtle shifts of emotion and landscape in everyday life with quiet lyricism and carefully crafted expression.