| Official Name: | Rosaryville, Louisiana |
| Pushpin Map: | Louisiana#USA |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | Parish |
| Subdivision Name2: | Tangipahoa |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 13 |
| Coordinates: | 30.4231°N -90.5194°W |
| Area Code: | 985 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 555832 |
Rosaryville (also Gessen) is an unincorporated community in Tangipahoa Parish, Louisiana, United States.