George Harlan Stewart (February 26, 1858 – September 25, 1914) was a justice of the Idaho Supreme Court from 1907 to 1914, serving as chief justice from 1913 to 1914.

Born in Connersville, Indiana, Stewart excelled in the local schools, completing a course of study in the Northern Indiana Normal School in 1879, and receiving a J.D. from North Indiana Law School in 1881, the same year he married Elizabeth School, with whom he had two children.^[1] After practicing law in Indiana and Nebraska, Stewart relocated to Idaho in 1890, eventually partnering in a legal practice with future U.S. Senator William Borah.^[1] In 1893, Stewart was elected to represent Ada County, Idaho in the Idaho Senate,^[1] and was then elected to serve as speaker of that body.^[2] His wife died in 1895.^[1] In 1896, he was appointed to a seat on the Third Judicial District.^[1] He remarried in 1888, to Agnes L. Sheets.^[1]

In 1907, Stewart was appointed to the Idaho Supreme Court, becoming chief justice in 1913. Stewart died the following year, in Portland, Oregon.^[3]