<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>2
<FILENAME>d67544_ex23-1.txt
<DESCRIPTION>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCT
<TEXT>

                                                                    EXHIBIT 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We  hereby  consent  to the  incorporation  by  reference  in  the  Registration
Statement  on Forms  S-3  (Nos.  333-129756,  333-36682,  333-43750,  333-64414,
333-72553, 333-74390, 333-103231, 333-120742 and 333-112356) and Forms S-8 (Nos.
333-35992,  333-56216 and 333-112935) of SIGA  Technologies,  Inc. of our report
dated March 28, 2006 relating to the financial statements, which appears in this
Form 10-K.

/s/ PRICEWATERHOUSECOOPERS LLP

New York, New York
March 28, 2006
</TEXT>
</DOCUMENT>
