Mirza Badi'u'llah Effendí

Mirza Badi'u'llah Effendí (Persian: میرزا بدیع الله افندی‎‎   1871 – November 1, 1950) was one of the sons of Bahá'u'lláh, the founder of the Bahá'í Faith. He was born in Adrianople. He was the son of his father's second wife, Fatimih Khanum, later known as Mahd-i-'Ulya, whom Bahá'u'lláh married in Tehran in 1849. Mirza Badi'u'llah Effendí received the title from his father of Ghusn-i-Anwar (“The Most Luminous Branch”).

Alia Khanum is the wife of Mirza Badi'u'llah.

Mirza Badi'u'llah died on Wednesday, November 1, 1950.