Banks Starting with M
- M C Bank & Trust Company
- M.Y. SAFRA BANK, FSB
- M1 Bank
- MA Bank
- Mabrey Bank
- Macatawa Bank
- Machias Savings Bank
- Macon Bank and Trust Company
- Madison County Bank
- Madison County Community Bank
- Madison Valley Bank
- Magnolia Bank, Incorporated
- Magnolia State Bank
- Magnolia State Bank
- Magyar Bank
- Mahopac Bank
- Main Bank
- Main Street Bank
- Main Street Bank Corp.
- Maine Community Bank
- MainStreet Bank
- Mainstreet Community Bank of Florida
- Malaga Bank F.S.B.
- Malvern Bank
- Malvern Bank N.A.
- Manasquan Bank
- Manhattan Bank
- Manson State Bank
- M&T Bank
- Manufacturers Bank
- Manufacturers Bank & Trust Company
- Maple Bank
- Maple City Savings Bank, FSB
- MapleMark Bank
- Maquoketa State Bank
- Marathon Bank
- Marblehead Bank
- Marine Bank
- Marine Bank & Trust Company
- Marion Center Bank
