Arthur Balfour, 1st Baron Riverdale GBE (9 January 1873-7 July 1957), known as Sir Arthur Balfour, 1st Baronet, from 1929 to 1935, was a British steel manufacturer.
Balfour was the son of Herbert Balfour. He was Chairman of Arthur Balfour & Co Ltd and of C Meadows & Co Ltd, both of Sheffield, Yorkshire, and also served as President of the Association of British Chambers of Commerce from 1923 to 1924 and of the British Council from 1947 to 1950 and as Chairman of the Advisory Council for Scientific and Industrial Research from 1937 to 1957. He was made a KBE in 1923, created a Baronet in 1929 and raised to the peerage as Baron Riverdale, of Sheffield in the County of York, in 1935. In 1942, he was even further honoured when he was made a GBE.
Lord Riverdale married Frances Josephine, daughter of Charles Henry Bingham, in 1899. He died in July 1957, aged 84, and was succeeded in his titles by his eldest son Robert. Lady Riverdale died in 1960.