Imperial Highness is a style of address traditionally used by members of an emperor's family.^[1] It ranks as the highest and most prestigious style used among royalty. It outranks the style of Royal Highness. The style is often associated with the title of Crown Prince.

• Her Imperial Highness Grand Duchess Anastasia Nikolaevna of Russia.
• His Imperial Highness The Tsesarevich of Russia (The title for the heir to the Russian throne. Who later succeeded as Tsar Nicholas II of Russia.
• His Imperial Highness Naruhito, The Crown Prince of Japan.
• His Imperial Highness Crown Princess Masako . Wife of the son of the present Emperor of Japan and therefore the heir to the Imperial throne.
• His Imperial Highness Prince Tomohito of Mikasa. Himself another member of the Japanese Imperial family.

• Titles of European royal heirs

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