Acker and Evans Law Office (also known as Ogdensburg Bank) is a historic office building in Ogdensburg, New York, United States. It is a rectangular Greek Revival style structure with a facade of smooth-faced, locally quarried white marble. It was built about 1830 as a bank, then used as a ticket agency, insurance office, express office, and finally as a law office. It was listed on the National Register of Historic Places in 1983.