| Emperor Hisahito|
|Emperor of Japan|
|Reign||2042 — present|
|Enthronement||18 August 2042|
|Prime Minister|| Ichiro Takabumi|
|Spouse||Hanami Oriyama (m. 2035)|
|Issue|| Takahito, Crown Prince of Japan|
Fuyuko, Princess Ashi
|Born|| 6 September 2006 (age 58)|
Hisahito (悠仁, born 6th September 2006) is the reigning Emperor of Japan (天皇 Tennō), the 127th Emperor of his line according to Japan's traditional order of succession. He acceded to the Chrysanthemum Throne on 18 August 2042.
In Japan, the Emperor is never referred to by his given name, but rather is referred to as "His Majesty the Emperor" (天皇陛下 Tennō Heika) which may be shortened to "His Majesty" (陛下 Heika). In writing, the Emperor is also referred to formally as "The Reigning Emperor" (今上天皇 Kinjō Tennō). The Era of Akihito's reign bears the name "Eiko" (永光), and according to custom he will be renamed "Emperor Eiko" (永光天皇 Eiko Tennō) by order of the Cabinet after his death. At the same time, the name of the next era under his successor will also be established.