Frederick Richard McManus (February 8, 1923 – November 27, 2005) was an American Catholic priest and academic who served as a peritus on the liturgy at the Second Vatican Council.

He published eleven books on the liturgy as well as hundreds of popular articles, spending 40 years as editor of The Jurist: Studies in Church Law and Ministry.

He received the following degrees: JCB (1952), JCL (1953) and JCD (1954), all from The Catholic University of America (CUA), where he served as Dean of the School of Canon Law 1967-1973, Vice Provost and Dean of Graduate Studies 1974-1983, and Academic Vice President, retiring in 1993 while continuing to teach until 1997 as Professor Emeritus.

He was a member of the International Commission on English in the Liturgy (ICEL) from its inception in 1963 throughout decades of translation.

[citation needed] McManus died in Boston, Massachusetts on November 27, 2005, at age 82.