John Morgan Lloyd (19 August 1880 – 30 June 1960) was a Welsh musician and minor composer. As a composer, he is best known for his hymn tunes, including "Pro Nostris Liberis", and was a representative of Wales on the committee for the 1927 revision of the Church Hymnary. His part-song "Arthur yn cyfodi" ("The awakening of Arthur") was written in 1931 to a lyric by Silyn Roberts; the better-known composer W. S. Gwynn Williams produced a setting of the poem which is better known. His hymn tunes included "Colwinstone", "Porthkerry", "Nadolig" and "Benediction".