Walter James Boston (22 April 1874 – 30 December 1968) was an Australian politician.
He was born at Adelong, New South Wales, to Daniel Boston, a wheelwright and coachbuilder, and Eliza Berryman.
He attended the local public school before entering the family coachmaking firm, Boston Brothers.
On 14 May 1896 he married May Smith; they would have seven children.
Boston was also a local agent for the Australian Workers' Union, and in 1913 he was elected to the New South Wales Legislative Assembly as the Labor member for Wagga Wagga.