| Official Name: | Crystal, Indiana |
| Pushpin Map: | Indiana#USA |
| Pushpin Label: | Crystal |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Indiana |
| Subdivision Type2: | County |
| Subdivision Name2: | Dubois |
| Subdivision Type3: | Township |
| Subdivision Name3: | Columbia |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Coordinates: | 38.4919°N -86.7539°W |
| Elevation Ft: | 509 |
| Postal Code Type: | ZIP code |
| Postal Code: | 47527 |
| Area Code: | 812, 930 |
| Blank Name: | FIPS code |
| Blank Info: | 18-16228[1] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 450824 |
Crystal is an unincorporated community in Columbia Township, Dubois County, in the U.S. state of Indiana.
Crystal was not platted.[2] A post office was established at Crystal in 1889, and remained in operation until it was discontinued in 1919.[3]