Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference of our reports dated

February 18, 2020

, with respect

to the consolidated financial statements, condensed consolidating financial information, and

financial statement schedule of ConocoPhillips, and the effectiveness of internal control over

financial reporting of ConocoPhillips, included in this Annual Report (Form 10-K) for the year

ended December 31,

2019

, in the following registration statements and related prospectuses.

ConocoPhillips Form S-3 File No. 333-220845

ConocoPhillips Form S-4 File No. 333-130967

ConocoPhillips Form S-8 File No. 333-98681

ConocoPhillips Form S-8 File No. 333-116216

ConocoPhillips Form S-8 File No. 333-133101

ConocoPhillips Form S-8 File No. 333-159318

ConocoPhillips Form S-8 File No. 333-171047

ConocoPhillips Form S-8 File No. 333-174479

ConocoPhillips Form S-8 File No. 333-196349

ConocoPhillips Form S-8 File No. 333-130967

/s/ Ernst & Young LLP

Houston, Texas

February 18, 2020