Exhibit 23.1
CONSENT OF GRANT THORNTON LLP,
INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We have issued our report dated March 21, 2006, accompanying the consolidated financial statements included in the Registration Statement on Form S-1 for the year ended December 31, 2005. We hereby consent to the incorporation by reference of said report in the Registration Statement of Luna Innovations Incorporated on Form S-8 to be filed on or about November 14, 2006.
/s/ GRANT THORNTON LLP
McLean, Virginia
November 14, 2006
