| Oslo, Florida | |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Florida#USA |
| Pushpin Label: | Oslo |
| Coordinates: | 27.5867°N -80.3803°W |
| Subdivision Type: | State |
| Subdivision Name: | Florida |
| Subdivision Type1: | County |
| Subdivision Name1: | Indian River |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Postal Code Type: | ZIP codes |
| Postal Code: | 32962 |
| Area Code: | 772 |
First settled circa 1883, Oslo is an unincorporated community in southeastern Indian River County, Florida, United States. It is part of the Sebastian–Vero Beach Metropolitan Statistical Area. The town of Oslo, as it was once called, was first established by some of Indian River County's first pioneers, which included the Helseth, Gifford, and Hallstrom families. The area was given the name Oslo by the Helseth family.