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 International Flavors & Fragrances Inc. of our report dated February 26, 2019 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in International Flavors & Fragrances Inc.’s Annual Report on Form 10-K for the year ended December 28, 2018. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

New York, New York

May 7, 2019