•
Michele Esposito (1855–1929), Italo-Irish composer •
Hormoz Farhat (born 1929), 20th-century composer •
Eibhlís Farrell (born 1953), 20th-century composer •
Howard Ferguson (1908–1999), Northern Irish composer based in England •
John Field (1782–1837), romantic composer and pianist, notable for cultivating the
nocturne •
Aloys Fleischmann (1910–1992), 20th-century composer •
W. H. Grattan Flood (1857–1928), composer and music historian •
David Flynn (born 1977), contemporary composer •
Charlotte Milligan Fox (1864–1916), composer, arranger and folksong collector •
Thomas Augustine Geary (1775–1801), 18th-century composer •
Patrick Gilmore (1829–1892), Irish-American composer and bandmaster •
John William Glover (1815–1899), 19th-century composer •
Deirdre Gribbin (born 1967), contemporary composer •
Wellington Guernsey (1817–1885), ballad and piano composer •
Ronan Guilfoyle (born 1958), contemporary composer and jazz bassist •
Carl Hardebeck (1869–1945), early 20th-century composer and arranger •
Hamilton Harty (1879–1941), late romantic composer and a leading conductor of his time •
Swan Hennessy (1866–1929), Irish-American, Paris-based composer •
Victor Herbert (1859–1924), Irish-American composer of musicals •
Arthur Hervey (1855–1922), late 19th-century composer and music critic •
Michael Holohan (born 1956), contemporary composer and writer •
Ciaran Hope (born 1974), contemporary composer •
Herbert Hughes (1882–1937), composer and skilful arranger of traditional music •
Francis Ireland (1721–1784), late baroque composer •
Fergus Johnston (born 1959), contemporary composer •
T. R. G. Jozé (1853–1924), organist and composer •
William Henry Kearns (1794–1846), 19th-century composer •
Vincent Kennedy (born 1962), contemporary Irish composer •
Michael Kelly (1762–1826), tenor and opera composer •
T.C. Kelly (1917–1985), neo-romantic 20th-century composer •
John Kinsella (1932–2021), contemporary composer ==L – O==