| Jack, Kansas | |
| Pushpin Map: | Kansas#USA |
| Pushpin Label: | Jack |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location within the state of Kansas |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Kansas |
| Subdivision Type2: | County |
| Subdivision Name2: | Russell |
| Established Title: | Founded |
| Elevation Ft: | 1663 |
| Elevation M: | 507 |
| Timezone: | Central (CST) |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Coordinates: | 39.0894°N -98.8781°W |
| Postal Code Type: | ZIP code |
| Blank Name: | GNIS feature ID |
| Blank Info: | 482554[1] |
Jack was a small settlement in Paradise Township, Russell County, Kansas, United States.
Jack was issued a post office in 1883. The post office was discontinued in 1888.[2]