Trevor Arnott (16 February 1902 – 2 February 1975) was a Welsh cricketer who played first-class cricket as an amateur from 1921 to 1935. Arnott was a right-handed batsman who bowled right-arm fast-medium. He was born at Radyr, Glamorgan, and attended Monmouth School. He captained Glamorgan County Cricket Club in 1928, but was not successful, the county winning only two of their 26 County Championship matches amid disharmony on and off the field. He is buried is in the churchyard at St Peter's Church, Dixton.