James Gillespie Barclay (24 June 1882 – 5 October 1972) was a New Zealand politician of the Labour Party.

[1] He then bought a property in Pukehuia, Northland, where he owned 1,600 acres (650 ha) near the Wairoa River.

[2] Barclay unsuccessfully stood against the Prime Minister, Gordon Coates, in the Kaipara electorate in the 1928 election.

[3] In the 1931 election, he unsuccessfully challenged the incumbent in the Marsden electorate in Northland, Alfred Murdoch.

[9] A son, Bruce Barclay, was Member of Parliament for Christchurch Central from 1969 to 1979.