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.
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.
Boston died at Randwick in 1968.