Redfield College is an independent Roman Catholic all-boys early learning, primary, and secondary day school, located in Dural, a suburb in the Hills District of Sydney, New South Wales, Australia.

The Chaplains at the college are priests of Opus Dei, a personal prelature of the Catholic Church.

[4] Redfield offers daily mass and the Sacrament of Reconciliation to students, parents and teachers as well as other faith-based practises of the Catholic Church.

As of 2023, there have been 11 Redfield Old Boys ordained to the priesthood, including Diocesan, Franciscan, Dominican and Opus Dei priests.

[8] Redfield's principal sports include football, rugby union, basketball and cricket.

Notable alumni include: In January 2023, the ABC program Four Corners investigated Sydney schools associated with Opus Dei (including Redfield), and alleged harmful classroom practices including: "...misinformation about sexual health, homophobia, opposition to consent education and encouraging girls to not get the HPV vaccine...″ and ″...opposing consent education, encouraging students to make decisions contrary to medical advice, harm to students as a result of their education, homophobia and recruitment of students under the guise of pastoral care..."[20][18]