Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Prospectus constituting part of this Registration Statement on Form S-3 of our report dated March 31, 1998 appearing on page F-2 of Xybernaut Corporation's Annual Report on Form 10-KSB for the year ended December 31, 1997. We also consent to the reference to us under the heading "Experts" in such Prospectus. /s/ PricewaterhouseCoopers LLP - ------------------------------------- PricewaterhouseCoopers LLP McLean, VA December 14, 1998