Exhibit 23

Consent of Ernst & Young LLP, Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements:

(1)Registration Statement (Form S-8 No. 33-65049) pertaining to the Hardinge Savings Plan

(2)Registration Statement (Form S-8 No. 333-103985) pertaining to the Hardinge Inc. 2002 Incentive Stock Plan

(3)Registration Statement (Form S-3 No. 333-115595) of Hardinge Inc. and related Prospectus

of our reports dated March 15, 2007, with respect to the consolidated financial statements and schedule of Hardinge Inc., Hardinge Inc. management’s assessment of the effectiveness of internal control over financial reporting, and the effectiveness of internal control over financial reporting of Hardinge Inc., included in the Annual Report (Form 10-K) for the year ended December 31, 2006.

/s/ Ernst & Young LLP

Buffalo, New York
March 15, 2007