Sibley Triangle Building is a historic commercial building located at Rochester in Monroe County, New York.

It is a five-story, triangular, flat-iron shaped, brick commercial building with Indiana limestone and marble trim on the first two stories.

It was built in 1897 and is a distinguished example of eclectic Italian Renaissance style architecture.

[2] It was listed on the National Register of Historic Places in 1985.

This article about a historic property or district in Monroe County, New York, listed on the National Register of Historic Places, is a stub.