Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

To the Savings Plan Committee

Zoetis Savings Plan:

We consent to the incorporation by reference in the registration statements (Nos. 333-186367, 333-189573, and 333-200073) on Form S-8 of Zoetis Inc. and subsidiaries of our report dated June 21, 2018, with respect to the statements of net assets available for benefits of the Zoetis Savings Plan as of December 31, 2017 and 2016, the related statements of changes in net assets available for benefits for the years then ended, and the supplemental Schedule H, line 4i - schedule of assets (held at end of year) as of December 31, 2017, which report appears in the December 31, 2017 annual report on Form 11-K of the Zoetis Savings Plan.

/s/ KPMG LLP

Short Hills, New Jersey

June 21, 2018

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