Charles-Ignace Gill (March 12 1844–September 16 1901) was a Quebec lawyer and political figure. He represented Yamaska in the Legislative Assembly of Quebec from 1871 to 1874 and in the Canadian House of Commons as a Conservative member from 1874 to 1879.
He was born in Saint-François-du-Lac, Lower Canada in 1844, the son of Ignace Gill and studied at the Collège de Nicolet and the Université Laval. He articled in law with Ulric-Joseph Tessier, was admitted to the bar in 1867 and set up practice at Sorel. In 1870, he married Marie-Rosalie-Delphine, the daughter of Louis-Adélard Senécal. In 1871, he was elected to the provincial assembly. He resigned in 1874 to run for a seat in the House of Commons. He resigned in 1879 when he was named as a judge to the Quebec Superior Court in Richelieu district; in 1886, he was named to Montreal district. He was also a director of the Montreal, Portland and Boston Railway.
He died in Montreal in 1901.