Mysterium fidei

Template:Italic title Template:Sister project Mysterium fidei may refer to:

• Mysterium fidei (encyclical), 1965 papal encyclical on the Eucharist by Pope Paul VI
• "The mystery of faith" or "a mystery of faith", phrases found in various religious contexts
• Mysterium fidei, title of the principal work of Maurice de la Taille (1872–1933)

See also

• Memorial Acclamation, an acclamation following the Eucharist that uses the phrase
• Words of Institution, Eucharist liturgies sometimes using the phase
• Catechism of the Catholic Church, a book of catechism that includes celebration of Christian mystery
• Sacred mysteries, supernatural phenomena associated with divinity or religion
• Mysterium (disambiguation)