Anna can refer to three distinct characters.
- Anna I, 1st Generation Itako. She is the senior of Asakura Anna and lives in Los Angeles.
- Asakura Anna, 2nd Generation Itako. Born Kyōyama Anna (恐山アンナ Anna Kyōyama). She is the wife of Asakura Yoh and one of main characters of the series.
- Alumi Niumbirch, 3rd Generation Itako. A member of the Patch Tribe and the daughter of Silva, she is nicknamed "Anna the Itako III" (三代目イタコのアンナ, Sandaime Itako no Anna).