Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Registration Statement on Form S-3/A of our report dated March 4, 2013 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in Ducommun Incorporated’s Annual Report on Form 10-K for the year ended December 31, 2012. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP

Los Angeles, California

July 3, 2013