James William Thomson (1828 – 4 August 1907) was a 19th-century conservative Member of Parliament in New Zealand.
[2] He was elected onto the Otago Provincial Council for the Clutha electorate in October 1864.
[3] For two days in May 1868, he was a member of the Otago Executive Council.
[5] Thomson represented the Clutha electorate from 1871 to 1887 when he was defeated.
[6] Thomson was for three months in 1879 Minister of Lands in the Grey Ministry.