LIMITED SIGNATORY POWER

By this Limited Signatory Power the
undersigned authorizes and designates each of Ann Kappler and Scott Lesmes
to execute and file on behalf of the undersigned all Forms 3, 4 and 5
(including any exhibits, attachments and amendments thereto) that the
undersigned may be required to file with the Securities and Exchange
Commission as a result of the undersigned"s ownership of or transactions in
securities of Fannie Mae.  The authority of Ann Kappler and Scott Lesmes
under this Limited Signatory Power shall continue until the undersigned is
no longer required to file Forms 3, 4 and 5 with regard to his or her
ownership of or transactions in securities of Fannie Mae, unless earlier
revoked in writing.  The undersigned acknowledges that Ann Kappler and
Scott Lesmes are not assuming, nor is Fannie Mae assuming, any of the
undersigned"s responsibilities to file Forms 3, 4 and 5 or otherwise comply
with any related laws or regulations.

/s/ David C. Hisey

__________________________________
David C. Hisey

Date:  February
2, 2005