Exhibit 23.2

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT

We consent to the inclusion in this Registration Statement of Delcath Systems, Inc. on Form S-1, Amendment No. 2 [File No. 333-233396] of our report dated June 14, 2019, which includes an explanatory paragraph as to the Company’s ability to continue as a going concern, with respect to our audit of the consolidated financial statements of Delcath Systems, Inc. as of December 31, 2018 and for the year then ended, which report appears in the Prospectus, which is part of this Registration Statement. We also consent to the reference to our Firm under the heading “Experts”.

/s/ Marcum LLP

Marcum LLP

New York, NY

October 29, 2019.