| Unit Pref: | Imperial |
| Settlement Type: | Township |
| Official Name: | Johnson Township |
| Mapsize: | 250px |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Iowa |
| Subdivision Type2: | County |
| Subdivision Name2: | Webster County |
| Leader Title: | County Board of Supervisors |
| Established Title: | Established |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
Johnson Township is a township in Webster County, Iowa.