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 of Graphic Packaging Holding Company and Graphic Packaging International, LLC of our report dated February 16, 2021 relating to the financial statements, and the effectiveness of internal control over financial reporting, which appears in Graphic Packaging Holding Company’s Annual Report on Form 10-K for the year ended December 31, 2020. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

Atlanta, Georgia

July 29, 2021