Thomas Lindsay Buick CMG (13 May 1865 – 22 February 1938) was a Liberal Member of Parliament for Wairau, New Zealand, a journalist and a historian.

Buick received his education at schools in Oamaru and moved to Blenheim in 1884 to work as a carpenter.

Although he had no relation to Ireland or Catholicism, he joined the Irish National League "purely as a lover of liberty and justice", and in 1889 he embarked on a speaker tour.

[7] Years later, in July 1904 he unsuccessfully contested Pahiatua by-election as the official Liberal candidate.

[1] Buick wrote numerous works on the pre-European and early contact history New Zealand, and two books on music.