A Gnostic Mass is a liturgical Mass administered by a Gnostic church. There are several such churches, each with its own version of the Mass. Some of them are:

• Ecclesia Gnostica celebrates a traditional Gnostic Mass called the Gnostic Holy Eucharist.
• Ecclesia Gnostica Catholica's Liber XV, The Gnostic Mass written by Aleister Crowley.