Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-210175, 333-203842 and 333-194016 on Form S-8 of our reports dated February 28, 2017, relating to the financial statements and financial statement schedule of Inogen, Inc. (the “Company”), and the effectiveness of the Company’s internal control over financial reporting, appearing in the Annual Report on Form 10-K of the Company for the year ended December 31, 2016.