{{Infopolje Kraljevska oseba|name=Seiwa|image=Emperor Seiwa.jpg|succession=[[Emperor of Japan]]|reign=858–876|coronation=858|predecessor=[[Emperor Montoku|Montoku]]|successor=[[Emperor Yōzei|Yōzei]]|spouse=Fujiwara no Takaiko<br></table>{{small|([[Emperor Seiwa#Consorts and children|among others]])}}|issue=[[Emperor Yōzei]]|issue-link=Emperor Seiwa#Consorts and children|issue-pipe=Among others...|father=[[Emperor Montoku]]|mother=Fujiwara no Akirakeiko|birth_date=850|birth_place=Heian Kyō (Kyōto)|death_date={{death date and age|878|12|31|850|df=yes}}|death_place=Heian Kyō (Kyōto)|burial_place=''Minooyama no misasagi'' (Kyoto)}}'''Cesar Seiwa''' (清和天皇 ''Seiwa-tennō'', 850-878) je bil 56. [[japonski cesar]]<ref name="kunaicho">[//en.wikipedia.org/wiki/Imperial_Household_Agency Imperial Household Agency] (''Kunaichō''): [http://www.kunaicho.go.jp/ryobo/guide/056/index.html 清和天皇 (56)]</ref> v skladu s tradicionalnim redom nasledstva.<ref>Ponsonby-Fane, Richard. (1959). ''The Imperial House of Japan,'' p. 66.</ref> Vladal je med leti 858 in 876.<ref>Titsingh, Isaac. (1834). {{Google books|18oNAAAAIAAJ|''Annales des empereurs du japon,'' pp. 115–121.|page=115}}; Brown, Delmer ''et al.'' (1979). ''Gukanshō,'' pp. 286–288; Varley, H. Paul. ''Jinnō Shōtōki,'' pp. 166–17.</ref>
Vladal je med leti 858 in 876.<ref>Titsingh, Isaac. (1834). {{Google books|18oNAAAAIAAJ|''Annales des empereurs du japon,'' pp. 115–121.|page=115}}; Brown, Delmer ''et al.'' (1979). ''Gukanshō,'' pp. 286–288; Varley, H. Paul. ''Jinnō Shōtōki,'' pp. 166–17.</ref>
