Isidore Gordon Gottschalk Ascher (1835–1914) was a Scottish-Canadian novelist and poet. He was born in Glasgow in 1835, the eldest son of Isaac Gottschalk Ascher and brother to Jacob Ascher. His family moved to Canada in 1841, and Isidore received his education at Montreal High School then attended McGill University, where he graduated in law. He was called to the bar in 1862, but returned to England in 1864 and became a novelist and poet. In 1872 Ascher married Lilly, eldest daughter of Samuel Newman. He died in London on September 19, 1914.