| Official Name: | Rib Falls, Wisconsin |
| Pushpin Map: | Wisconsin#USA |
| Subdivision Type: | Country |
| Subdivision Name: |  United States |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Marathon |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Ft: | 1220 |
| Coordinates: | 44.9711°N -89.9036°W |
| Area Code: | 715 & 534 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 1572234 |
Rib Falls (also known as Big Rib Falls) is an unincorporated community located in the town of Rib Falls, Marathon County, Wisconsin, United States. Rib Falls is located on the Big Rib River at the junction of County Highways S and U, 4.5miles northwest of Marathon City.[1] The community was named for the river, which takes its name from the English translation of the original Ojibwa name O-pik-wun-a Se-be.[2]