Brian D. Miller is an American politician and mechanical engineer, currently representing the 122nd District in the New York State Assembly.

The district includes portions of Herkimer, Madison, Oneida, and Otsego counties.

A graduate of Mohawk Valley Community College, Miller has worked as a mechanical engineer for over 30 years.

He defeated Maria Kelso in the Republican primary, winning the nomination by a 54 to 46 percent margin.

[3] In the general election, Miller defeated Democrat Arlene Feldmeier and Kelso again, with over 54 percent of the vote in the three-way race.