- Ingham Mills
- Ingham Mills Station
- Ingleside
- Ingraham
- Ingraham Hassock
- Inlet
- Inman Island
- Interlaken
- Interlaken
- Interlaken Beach
- Inverness
- Inwood
- Iona Island
- Ionia
- Ionia
- Ira
- Ireland Corners
- Irelandville
- Irish Settlement
- Irish Settlement
- Irishtown
- Iron Furnace
- Iron Islands
- Irona
- Irondale
- Irondale
- Irondequoit
- Ironsides
- Ironsides Island
- Ironton