| Official Name: | Dayville, Indiana |
| Settlement Type: | Unincorporated community |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Dayville |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Warrick |
| Subdivision Type3: | Township |
| Subdivision Name3: | Anderson |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Footnotes: | [1] |
| Elevation M: | 119 |
| Elevation Ft: | 390 |
| Coordinates: | 37.9542°N -87.3222°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 47630 |
| Area Code: | 812, 930 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 433371 |
Dayville is an unincorporated community in Anderson Township, Warrick County, in the U.S. state of Indiana.
A post office was established at Dayville in 1900, but was soon discontinued, in 1901.[2] George O. Day served as postmaster, and gave the community his family name.[3]
Dayville is located at 37.9542°N -87.3222°W.