James Guy Dalley Arkins (14 October 1888 – 2 August 1980) was an Australian politician.

Born in Millthorpe, New South Wales, he was educated at public schools before becoming a builder.

In 1915 he was elected to the New South Wales Legislative Assembly as the Labor member for Castlereagh.

[1] On 26 September 1935, Arkins was appointed to the Australian Senate as a member of the United Australia Party (UAP) (successor to the Nationalist Party), filling the vacancy caused by the death of NSW Senator Lionel Courtenay, who had died 11 days after being sworn in.

[2] Arkins returned to the New South Wales Legislative Assembly, winning Dulwich Hill in 1938 and holding it until 1941.