Most are nationally-organised and focussed on a particular denomination, although some have a broader mandate.
If you would like your organisation listed here, please leave a comment below.
"An association of Catholic musicians, and those who have a special interest in music and liturgy, active in advancing Gregorian chant, Renaissance polyphony, and other forms of sacred music, including new composition, for liturgical use. The CMAA’s purpose is the advancement of musica sacra in keeping with the norms established by competent ecclesiastical authority."
August 2014: The CAM appears to have stopped operating.
"founded in 1996 by ... John Michael Talbot, [this] is a network of contemporary and liturgical music ministries. Its purpose is to provide spiritual, artistic and professional guidance to Catholic artists and to provide direction and education in the "business" of the Catholic/Christian music industry."
A website where "Catholic Christian musicians, liturgists, choir directors and publishers are congregating ... to help each other grow in musicianship. " Says that it has evolved from the Catholic Association of Music.
"a network of people helping people across denominational, stylistic, and geographical boundaries. Our common goal is to support and encourage the excellence of music and worship ministry." ...
"one of the largest non-denominational associations of church musicians and other worship leaders in North America"
"The National Association of Pastoral Musicians fosters the art of musical liturgy. The members of NPM serve the Catholic Church in the United States as musicians, clergy, liturgists, and other leaders of prayer."
An American association for musicians who work in cathedrals. Membership is on a per-cathedral basis: if the cathedral joins, then all staff musicians become members.
An international organisation, supporting young (children and youth) liturgical singers.
A professional organisation for organists - many of whom, naturally, work for churches. Offers a wide range of on-line resources, including salary surveys.
Their purpose includes
"To advance the cause of organ and choral music, to increase their contributions to aesthetic and religious experiences, and to promote their understanding, appreciation, and enjoyment."
Encourage – by building supportive relationships and enabling networking and ecumenical cooperation.
Promote – through our regular news publications and web presence news of events, activities, and recent developments.
Enliven – by providing experience in performance practices to help in the introduction and leading of the congregation’s song.
"Founded in 1909 ... the RCCO is a nationwide interdenominational community of professional and amateur organists, church musicians, choral conductors, and others sharing an interest in the organ and church music."
"...the national society for liturgy and music in the Roman Catholic Church in the British Isles. It was founded in 1929, ... welcome[s] Christians of any denomination who seek to achieve similar aims through liturgy, music and the arts." Online resources include a discussion forum.
Originally "English [ie Anglican] and choral", this organisation is now "committed to achieving the best use of good music in worship – whatever the resources, whatever the styles".
An ecumenical organisation of people in the United Kingdom who are committed in some way to church music. Limited on-line resources, but publishes a magazine regularly.
A membership organisation " ... established in 1969 to support the work of musicians working in the field of liturgical music in Ireland, through training, publication and dissemination of information". Supported by the Roman Catholic Bishops Conference, and based in St Patrick's seminary.
Founded in 2011, to "assist dioceses and worshipping communities in the evangelisation of Australia through the support and promotion of excellence in Christian liturgical, catechetical and religious music."