George Lyon Denniston

George Lyon Denniston (1846 – July 12, 1934) was a New Zealand businessman and local politician. He served as the mayor of Dunedin from 1901 to 1902. He was a prominent figure in Dunedin's commercial and civic life during the late nineteenth and early twentieth centuries.

Early life and education Denniston was born in Glasgow, Scotland on 1846. He was educated at schools in Glasgow and Greenock later attending Blair Lodge Academy. He was subsequently appointed a Chevalier of the Order of the Crown of Belgium.

Personal life Denniston married Mary Reynolds in Dunedin in 1878. The family was active in Dunedin's social and civic life.