The following outline is provided as an overview of and topical guide to the Baháʼí Faith.
Baháʼí Faith – relatively new religion teaching the essential worth of all religions and the unity of all people, established by Baháʼu'lláh in the 19th-century Middle East and now estimated to have a worldwide following of 5–8 million adherents, known as Baháʼís.
Baháʼí Faith and the unity of religion – the Baháʼí belief that many of the world's different religions were revealed by God as part of one gradually unfolding plan
Baháʼí Faith and auxiliary language – the Baháʼí teaching that the world should adopt a worldwide auxiliary language in addition to people's various languages to facilitate the unity of humanity
Shaykhism – a Shi'a Islamic religious movement founded by Shaykh Ahmad (1753–1826)
Bábism – a religion founded by the Báb in 1844 that Baháʼís see as a predecessor to the Baháʼí Faith; see Outline of Bábism
Baháʼí–Azali split – the split of the followers of Bábism into Baháʼís, who accepted Baháʼu'lláh as a figure prophesied in the teachings of Bábism, and Azalis, who followed Subh-i-Azal
Baháʼí Faith by country – estimated numbers of Baháʼís globally, by country, and by continent, with links to full articles on the Baháʼí Faith in individual countries and continents
Some Answered Questions – contains questions posed by Laura Clifford Barney (between 1904 and 1906) and ʻAbdu'l-Bahá's answers
Tablets of the Divine Plan – 14 letters (tablets) written between September 1916 and March 1917 by ʻAbdu'l-Bahá to Baháʼís in the United States and Canada
Tablet to Dr. Forel – a letter of ʻAbdu'l-Bahá, written in reply to questions asked by Auguste-Henri Forel, a Swiss myrmecologist, neuroanatomist and psychiatrist
Tablet to The Hague – a letter which ʻAbdu'l-Bahá wrote to the Central Organisation for Durable Peace in The Hague, The Netherlands on 17 December 1919
