Richard Gerald Alfred Ashman (24 November 1899, Westminster, London, England – 15 May 1965, Bloemfontein, South Africa) was a South African cricket umpire. His umpiring career commenced in 1935 when he officiated in the second South Africa vs. Australia Test at Johannesburg in December. Ashman's fourteenth and final Test as umpire was in 1950.
In domestic first-class cricket, Ashman played six games for Orange Free State in the 1930s.