Chocolate Cosmos (チョコレートコスモス, Chokorēto Kosumosu) is a Japanese shōjo manga series written and illustrated by Nana Haruta.

The individual chapters were collected into four tankōbon volumes by publisher Shueisha; the first on December 14, 2007 and the final on November 14, 2008.

On a trip to the beach she meets a handsome man who smells like chocolate and falls in love with him immediately.

When she returns to school she has a surprise in the form of Hagiwara, her Home Economics teacher.

Viz Media licensed the manga in 2015 in English, with all four volumes published digitally under the Viz Select imprint.