Adam McLellan (10 April 1865 – 12 March 1929) was an Australian politician.
He was born in Moorooduc to farmer Alexander McLellan and Margaret Jenkins.
He travelled to South America in his youth, and then became a grocer in Footscray around 1892.
On 27 July 1892 he married Jessie Jemima Fleming, with whom he would have six children.
From around 1894 he was a smallgoods manufacturer in Richmond, and he was a founding member of the local branch of the Labour Party.