Exhibit 99.21

CONSENT OF EXPERT

March 28, 2025

Eldorado Gold Corporation

United States Securities and Exchange Commission

Ladies and Gentlemen:

Re: Eldorado Gold Corporation

WSP Canada Inc, as a company whose principal business is providing engineering or geoscientific services, and whose business gives authority to a statement made by the company, hereby consents to:.

(a)    The filing of the written disclosure regarding: quotation, inclusion or summary of those portions prepared by WSP of the Technical Report, Skouries Project, Greece, effective January 22, 2022; and

(b)     The use of WSP's name in (i) the Annual Information Form for the year ended December 31, 2024 (the “AIF”) being filed by Eldorado Gold Corporation (the “Company”) with the United States Securities and Exchange Commission as part of the Company’s Form 40-F Annual Report for the year ended December 31, 2024 (the “Form 40-F”), and (ii) the Registration Statement on Form F-10 (File No. 333-272043) Form S-8 of the Company incorporating by reference the Company’s AIF and Form 40-F.

	WSP Canada Inc.
By:	/s/ Richard Kiel
	Authorized Signatory
	Richard Kiel, P.E.