Opus Dei is a personal prelature of the Catholic Church.

Opus Dei may also refer to: Opus Dei (album), an album by Laibach Opus Dei (book), a 2005 book by John L. Allen Jr. Opus Dei, prayers in the Liturgy of the Hours of the Catholic Church Bibliography of Opus Dei, a list of publications about Opus Dei

See also Opus Magnum opus (disambiguation)