Olivier-Napoléon Drouin

{{Short description|Canadian politician}}

{{Use Canadian English|date=December 2013}}

{{Use dmy dates|date=December 2013}}

{{Infobox officeholder

| name = Olivier-Napoléon Drouin

| image = Napoléon Drouin.jpg

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| order = Alderman of Quebec City, Saint-Roch ward

| term_start = 1896

| term_end = 1910

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| order2 = 26th Mayor of Quebec City

| term_start2 = 1 March 1910

| term_end2 = 1 March 1916

| predecessor2 = Jean-Georges Garneau

| successor2 = Henri-Edgar Lavigueur

| profession = tobacco producer

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Olivier-Napoléon Drouin (1862–1934) was a Canadian politician, the mayor of Quebec City from 1910 to 1916. He also initiated the Rock City Tobacco company.

After representing Quebec City's Saint-Roch ward as alderman since 1896, Drouin won the 1910 mayoralty contest with a 1328 vote margin over his opponent, federal politician Philippe-Auguste Choquette. Drouin won re-election to successive terms in office in 1912 and 1914. During his terms as mayor, he oversaw the annexation of the communities of Belvedère, Limoilou and Saint-Malo to Quebec City.

After leaving the mayor's posting in 1916, Drouin chaired the Commission des chemins du Québec (Commission of routes of Quebec) between 1917 and 1922.