| Official Name: | Sainte Marie Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Jasper County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Jasper County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Jasper |
| Established Title: | Established |
| Established Date: | November 8, 1859 |
| Area Total Sq Mi: | 43.06 |
| Area Land Sq Mi: | 42.95 |
| Area Water Sq Mi: | 0.11 |
| Area Water Percent: | 0.26 |
| Population As Of: | 2010 |
| Population Total: | 551 |
| Population Density Sq Mi: | 12.8 |
| Elevation M: | 146 |
| Elevation Ft: | 479 |
| Coordinates: | 38.9333°N -88.0333°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 62448, 62449, 62459, 62475, 62480 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 0422229 |
Sainte Marie Township is one of eleven townships in Jasper County, Illinois, United States. As of the 2010 census, its population was 551 and it contained 264 housing units.[1]
According to the 2010 census, the township has a total area of, of which (or 99.74%) is land and (or 0.26%) is water.[1]