| Official Name: | Arthur, Indiana |
| Settlement Type: | Unincorporated community and Census designated place |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Arthur |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Pike |
| Subdivision Type3: | Township |
| Subdivision Name3: | Patoka |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 38.3414°N -87.25°W |
| Elevation Ft: | 495 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47598 |
| Area Codes: | 812, 930 |
| Blank Name: | GNIS feature ID |
| Blank Info: | 2830493 |
Arthur or Arthur Junction due to its location at the junction of Indiana 61 and Indiana 64, is a Census designated place in Patoka Township, Pike County, in the U.S. state of Indiana.
A post office was established at Arthur in 1873, and remained in operation until 1903.[1] The community was named for Arthur Thompson, an early settler.[2]