Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-172864, 333-180696, 333-186789, 333-202120, 333-209756, 333-216204, 333-223155, 333-229811, 333-236565, 333-239872 and 333-272902) of Magnachip Semiconductor Corporation of our report dated March 8, 2024 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

 

/s/ Samil PricewaterhouseCoopers

Seoul, Korea

March 8, 2024