Bob Gilmore (6 June 1961 – 2 January 2015) was a musicologist, educator and keyboard player.
He is best known for his books on American music: he wrote Harry Partch: A Biography (Yale University Press, 1998) and edited with an introduction "Maximum Clarity" and Other Writings on Music (University of Illinois Press, 2006—collected writings by Ben Johnston), both of which were recipients of the Deems Taylor Award from ASCAP.
He also wrote extensively on the American experimental tradition, microtonal music and spectral music, including the work of such figures as James Tenney, Horațiu Rădulescu, Claude Vivier, and Frank Denyer.
He wrote on the work of younger Irish composers including Deirdre Gribbin, Donnacha Dennehy and Jennifer Walshe in the Journal of Music in Ireland.
His biography of French-Canadian composer Claude Vivier was published by University of Rochester Press in June 2014.