Exhibit 23

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CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

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We consent to the incorporation by reference in Registration Statement Nos. 333-165069, 333-62669, 333-132013, 333-140980, 333-140981, 333-202299 and 333-236655 on Form S-8 and in Registration Statement No. 333-239165 on Form S-3 of our reports dated December 16, 2021, relating to the consolidated financial statements of Deere & Company, and the effectiveness of Deere & Company’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of Deere & Company for the year ended October 31, 2021.

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