| Saint-Antoine-de-Tilly | |
| Settlement Type: | Municipality |
| Pushpin Map: | Canada Southern Quebec |
| Pushpin Map Caption: | Location in southern Quebec. |
| Coordinates: | 46.6667°N -106°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Type2: | Region |
| Subdivision Name2: | Chaudière-Appalaches |
| Subdivision Type3: | RCM |
| Subdivision Name3: | Lotbinière |
| Established Title1: | Constituted |
| Established Date1: | July 1, 1855 |
| Leader Title: | Mayor |
| Leader Name: | Richard Bellemare |
| Leader Title1: | Federal riding |
| Leader Name1: | Lotbinière— Chutes-de-la-Chaudière |
| Leader Title2: | Prov. riding |
| Leader Name2: | Lotbinière-Frontenac |
| Area Total Km2: | 59.60 |
| Area Land Km2: | 59.95 |
| Area Note: | There is an apparent contradiction between two authoritative sources |
| Population Total: | 1682 |
| Population As Of: | 2021 |
| Population Density Km2: | 28.1 |
| Population Blank1 Title: | Pop 2016-2021 |
| Population Blank1: | 5.3% |
| Population Blank2 Title: | Dwellings |
| Population Blank2: | 853 |
| Timezone: | EST |
| Utc Offset: | −5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | −4 |
| Postal Code Type: | Postal code(s) |
| Postal Code: | G0S 2C0 |
| Area Code: | 418 and 581 |
| Blank Name: | Highways |
| Blank Info: | |
Saint-Antoine-de-Tilly (pronounced as /fr/) is a municipality in the Lotbinière Regional County Municipality in Quebec, Canada. It is part of the Chaudière-Appalaches region and had a population is 1,682 as of 2021.
A member of the Most Beautiful Villages of Quebec, Saint-Antoine-de-Tilly has been colonized since the early beginnings of New France. The seigneurie of Villieu was sold in 1700 to Pierre-Noël Le Gardeur de Tilly and became the seigneurie of Tilly, which is still part of the municipality's name.
Saint-Antoine is named in honour of St. Anthony of Padua.
In 1672, The territory of Saint-Antoine-de-Tilly was given to a lieutenant of the Carignan regiment, Claude-Sébastien de Villieu, by the intendant Jean Talon. Later, The territory was sold to Pierre-Noël Le Gardeur, sieur de Tilly. Under is ownership, in 1702, a parish was canonically erected and the territory took the name Saint-Antoine-de-Tilly. In 1759, the territory is the site of a battle during the conquest of New France.
The municipality was officially created in 1855. In 1909, it lost a small section of its territory for the creation of Notre-Dame-du-Sacré-Cœur-d’Issoudun. Finally, in 1995, the status of Saint-Antoine-de-Tilly was changed from a parish municipality to a regular municipality.