Gerald Marr Thompson (11 September 1856 – 28 February 1938), commonly referred to as Marr Thompson, was an Australian journalist — art, music, and drama critic for the Sydney Morning Herald for nearly 35 years.
Following his brothers, both medical doctors, he emigrated to Australia in 1881, settling in Adelaide, where he was employed with the Bank of Australasia, while submitting regular music and drama critiques to The Advertiser.
He moved to Sydney in 1883, becoming the art, drama and music critic for the Daily Telegraph.
[1] He was the Herald's third drama and music critic, succeeding Sir Gilbert Parker 1886–1888 and Austin Brereton 1888–1891, holding the position July 1891 – 1925.
His siblings included John Ashburton Thompson, of the NSW Board of Health.