Kirby
- County:
- Wyandot County
- County Seat:
- No
- Area (mi²):
- 0.108
- State:
- Ohio
Kirby is a village located in Wyandot County, Ohio. Kirby has a 2026 population of 114. Kirby is currently declining at a rate of -0.87% annually and its population has decreased by -3.39% since the most recent census, which recorded a population of 118 in 2020.