Stephen M. Calk (born 1964/1965) is the founder, former Chairman and CEO of The Federal Savings Bank, a federally chartered National Bank headquartered in Chicago, Illinois. He was an economic advisor to Donald Trump during the 2016 United States presidential election campaign. Calk was convicted of conspiracy and bribery in July 2021 for providing loans to Paul Manafort, the former chairman of the 2016 Donald Trump presidential campaign, in exchange for a possible high-ranking position in the Trump administration. He was sentenced to one year in prison in February 2022.