Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on FormS-3 of The Progressive Corporation of our reportdated February 27, 2018relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in the 2017 Annual Report to Shareholders, which is incorporated by reference in The Progressive Corporation’s Annual Report on Form10-K for the year ended December 31, 2017. We also consent to the incorporation by reference of our report dated February 27, 2018relating to the financial statement schedules, which appears in such Annual Report on Form10-K. We also consent to the reference to us under the heading “Experts” in such Registration Statement.
/s/ PricewaterhouseCoopers LLP
Cleveland, Ohio
September 13, 2018
