Exhibit 23.1


               CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS


    We have issued our report dated February 9, 2001, accompanying the financial
statements   incorporated  by  reference  in  the  Annual  Report  of  Xybernaut
Corporation,  on Form 10-K/A for the year ended  December  31,  2000.  We hereby
consent to the  incorporation  by reference  of said report in the  Registration
Statement  of Xybernaut  Corporation  on Form S-3 to be filed on or about August
31, 2001 and the use of our name as it appears under the caption "Experts."


/s/ Grant Thornton LLP

Vienna, Virginia
August 31, 2001



















































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