Badí' (Arabic: ﺑﺪﻳﻊ)‎(1852 - 1869), was the title of Mírzá Áqá Buzurg-i-Nishapuri, also known by his title the Pride of Martyrs, was the son of `Abdu'l-Majid-i-Nishapuri, a highly praised follower of the Báb and Bahá'u'lláh.
Badí' is most famous for being the bearer of a tablet written by Bahá'u'lláh to Nasiri'd-Din Shah, for which he was tortured and killed at the age of 17. The Bahá'í calendar, known as the Badí' calendar, was named in his honour. He is also one of the foremost Apostles of Bahá'u'lláh.
The Kitáb-i-Badí', a book written by Bahá'u'lláh, has no relation to the Badí' of this article.

Haji Abdu'l-Majid