| Official Name: | Viking, Florida |
| Pushpin Map: | Florida |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Florida |
| Subdivision Type2: | County |
| Subdivision Name2: | St. Lucie |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 13 |
| Coordinates: | 27.5417°N -80.3619°W |
| Area Code: | 772 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 308163 |
Viking is an unincorporated community in St. Lucie County, Florida, United States. Viking is located along U.S. Route 1, 7miles north-northwest of Fort Pierce.
The town was founded by a Norwegian immigrants Jens (1858-1944) and Agathe Helseth and was so named for a large community of Scandinavians. At one time, there was a school and a post office in addition to the Helseth pineapple farm. The Helseth estate was donated to the State of Florida.