Merchants National Bank may refer to: Merchants' National Bank in Grinnell, Iowa Merchants National Bank (Saint Paul) in Minnesota, also known as the McColl Building Merchants National Bank (Winona, Minnesota) Merchants National Bank (Kittanning, Pennsylvania), now known as Farmers & Merchants Bank of Western Pennsylvania Merchants National Bank and Annex in Indianapolis, Indiana, known as the Barnes and Thornburg Building Merchants National Bank and Trust Company of Indianapolis Merchants' National Bank Building (1895), Baltimore in Maryland Merchants' National Bank of New York, founded in New York City in April 1803