EXHIBIT 23.1


            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM





IRIS International, Inc.
Chatsworth, California

We  hereby  consent  to the  incorporation  by  reference  in  the  Registration
Statement  on Form S-8 of our  report  dated  March 22,  2007,  relating  to the
consolidated financial statements,  and the effectiveness of IRIS International,
Inc.'s  internal  control over financial  reporting,  appearing in the Company's
Annual Report on Form 10-K for the year ended December 31, 2006.


/S/ BDO SEIDMAN, LLP
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BDO Seidman, LLP
Los Angeles, California

August 22, 2007