| Official Name: | Waukegan Township |
| Settlement Type: | Township |
| Image Map1: | Map of Illinois highlighting Lake County.svg |
| Mapsize1: | 150px |
| Map Caption1: | Lake County's location in Illinois |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | Illinois |
| Subdivision Type2: | County |
| Subdivision Name2: | Lake |
| Leader Title: | Supervisor |
| Leader Name: | Patricia Jones |
| Established Title: | Established |
| Established Date: | November 6, 1849 |
| Area Total Km2: | 55.3 |
| Area Land Km2: | 54.5 |
| Area Water Km2: | 0.8 |
| Population As Of: | 2010 |
| Population Density Km2: | auto |
| Elevation M: | 198 |
| Elevation Ft: | 650 |
| Coordinates: | 42.3731°N -87.8503°W |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Blank Name: | FIPS code |
| Blank Info: | 17-097-79306 |
| Pop Est As Of: | 2016 |
| Pop Est Footnotes: | [1] |
| Population Est: | 89834 |
| Unit Pref: | Imperial |
Waukegan Township is a township in Lake County, Illinois, USA. As of the 2010 census, its population was 90,893.[2]
Waukegan Township covers an area of 55.3sqkm; of this, 0.8sqkm or 1.41 percent is water.[2] Lakes in this township include Dead Lake. Sunderland Creek and the Waukegan River run through this township.
The township contains five cemeteries: Am Echod Jewish, North Shore Garden of Memories, Oakwood, Pahlman Family and Saint Marys.