La Cygne
- County:
- Linn County
- County Seat:
- No
- Area (mi²):
- 1.528
- State:
- Kansas
La Cygne is a city located in Linn County, Kansas. La Cygne has a 2026 population of 1,019. La Cygne is currently declining at a rate of -1.36% annually and its population has decreased by -2.11% since the most recent census, which recorded a population of 1,041 in 2020.