Robert Dankwart Leo Riefling (17 September 1911 – 1 July 1988) was a Norwegian classical pianist and pedagogist.

He was married three times, first from 1944 to 1947 to pianist Amalie Christie, then from 1949 to Borghild Hammerich, and from 1988 to Bibbi Lindstrøm.

[1][2] He studied piano in Oslo with Nils Larsen, and from 1928 in Germany with Karl Leimer, Wilhelm Kempff and Edwin Fischer.

[2] During the occupation of Norway by Nazi Germany he was arrested and held at Bredtveit and Grini concentration camp a few months in 1942 and 1943.

[3] He was widely known for his interpretation of works by Johann Sebastian Bach, including The Well-Tempered Clavier, which he had studied while being imprisoned, and played at concerts in Oslo, Copenhagen and London in 1947.