Bahiyyih is a given name. Notable people with the name include:
Bahíyyih Khánum (1846–1932), the daughter of Bahá'u'lláh, the founder of the Baháʼí Faith Bahiyyih Nakhjavani (fl. 1962), a Persian writer born in Uganda, educated in the United Kingdom and the United States, living in France Huening Bahiyyih (born 2004), a member of the South Korean girl group Kep1er