The Suburbs of the City of Buffalo are mostly contained within Erie and Niagara counties. Some of these "suburbs" might be considered exurbs.
Erie County
- Akron, Village
- Alden, Town
- Alden, Village
- Amherst, Town
- Angola on the Lake, Hamlet
- Angola, Village
- Aurora, Town
- Billington Heights, Hamlet
- Blasdell, Village
- Boston, Town
- Brant, Town
- Buffalo, City
- Cheektowaga, Town
- Clarence Center, Hamlet
- Clarence, Town
- Colden, Town
- Collins, Town
- Concord, Town
- Depew, Village
- East Amherst, Hamlet
- East Aurora, Village
- Eden, Town
- Elma Center, Hamlet
- Elma, Town
- Evans, Town
- Farnham, Village
- Gowanda, Village
- Grand Island, Town
- Hamburg, Town
- Hamburg, Village
- Harris Hill, Hamlet
- Holland, Town
- Kenmore, Village
- Lackawanna, City
- Lake Erie Beach, Hamlet
- Lake View, Hamlet
- Lancaster, Town
- Lancaster, Village
- Marilla, Town
- Newstead, Town
- North Boston, Hamlet
- North Collins, Town
- North Collins, Village
- Orchard Park, Town
- Orchard Park, Village
- Sardinia, Town
- Sloan, Village
- Springville, Village
- Tonawanda, City
- Tonawanda, Town
- Town Line, Hamlet
- Wales, Town
- West Seneca, Town
- Williamsville, Village
Niagara County
- Barker, Village
- Cambria, Town
- Gasport
- Hartland, Town
- Lewiston, Town
- Lewiston, Village
- Lockport, City
- Lockport, Town
- Middleport, Village
- Newfane, Town
- Newfane, (CDP)
- Niagara Falls, City
- Niagara, Town
- North Tonawanda, City
- Olcott
- Pendleton, Town
- Porter, Town
- Ransomville
- Rapids
- Royalton, Town
- Somerset, Town
- South Lockport
- Wheatfield, Town
- Wilson, Village
- Wilson, Town
- Youngstown, Village
