Arthur Sundt (8 April 1899 – 19 August 1971) was a Norwegian politician for the Liberal Party.
He was born in Bergen.
He was elected to the Norwegian Parliament from Bergen in 1945, and was re-elected on one occasion in 1954. He had previously served in the position of deputy representative during the term 1934–1936 and 1937–1945.
Sundt held various positions in Bergen city council from 1928 to 1941 and 1951–1955, and served as deputy mayor in the periods 1934–1937, 1937–1940 and 1945.