Exhibit 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Amendment No. 1 to
the Registration Statement on Form S-3 of our report dated February 17, 2004
relating to the financial statements, which appears in SIGA Technologies, Inc.'s
Annual Report on Form 10-KSB for the year ended December 31, 2003. We also
consent to the reference to us under the heading "Experts" in such Registration
Statement.


/s/ PricewaterhouseCoopers LLP
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PricewaterhouseCoopers LLP
New York, New York
December 22, 2004