Robert Loftus Owen Versfeld (7 December 1862 – 5 May 1932) was a South African rugby union player and administrator who was a founding member of the Eastern Province Rugby Union and of the Pretoria Rugby Subunion (1908) which in 1938 became Northern Transvaal. He founded Pretoria Rugby Club in 1888, and established Pretoria rugby headquarters at Eastern Sports Grounds. He introduced grass playing fields to the Transvaal.