| Official Name: | Lafayette Township, Allamakee County |
| Settlement Type: | Township |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Type2: | County |
| Subdivision Name2: | Allamakee |
| Area Total Km2: | 118.73 |
| Area Land Km2: | 112.38 |
| Area Water Km2: | 6.35 |
| Unit Pref: | Imperial |
| Area Total Sq Mi: | 45.84 |
| Area Land Sq Mi: | 43.39 |
| Area Water Sq Mi: | 2.45 |
| Population As Of: | 2010 |
| Population Total: | 421 |
| Population Density Km2: | 3.7 |
| Population Density Sq Mi: | 9.7 |
| Timezone: | CST |
| Utc Offset: | -6 |
| Timezone Dst: | CDT |
| Utc Offset Dst: | -5 |
| Elevation Footnotes: | [1] |
| Elevation M: | 308 |
| Elevation Ft: | 1010 |
| Coordinates: | 43.2944°N -91.1742°W |
| Blank Name: | FIPS code |
| Blank Info: | 19-92331[2] |
| Blank1 Name: | GNIS feature ID |
| Blank1 Info: | 0468173 |
Lafayette Township is one of eighteen townships in Allamakee County, Iowa, USA. At the 2010 census, its population was 421.[3]
Lafayette Township was organized in 1852.[4]
Lafayette Township covers an area of 45.84sqmi and contains no incorporated settlements. According to the USGS, it contains three cemeteries: Thompson Corner, Village Creek and Wexford.