Exhibit 5.1

December 29, 2023

Board of Directors
Westwater Resources, Inc.

6950 South Potomac Street, Suite 300

Centennial, Colorado 80112

Re:        Registration Statement on Form S-8

Ladies and Gentlemen:

We have acted as counsel to Westwater Resources, Inc., a Delaware corporation (the “Company”), in connection with its Registration Statement on Form S-8 filed with the Securities and Exchange Commission (the “Commission”) on the date hereof (the “Registration Statement”), pursuant to the Securities Act of 1933, as amended (the “Securities Act”). Pursuant to the Registration Statement, the Company is registering for issuance under the Westwater Resources, Inc. 2013 Omnibus Incentive Plan (as amended, the “Plan”) an additional 1,500,000 shares (the “Shares”) of the Company’s common stock, par value $0.001 per share (“Common Stock”). This opinion letter is furnished to you at your request to enable you to fulfill the requirements of Item 601(b)(5) of Regulation S-K under the Securities Act in connection with the Registration Statement, and no opinion is expressed or may be implied herein as to any matter pertaining to the contents of the Registration Statement other than as to the valid issuance of the Shares.

As the basis for the opinion hereinafter expressed, we have reviewed originals or copies of the following:

A. an executed copy of the Registration Statement;

B. a copy of the Restated Certificate of Incorporation of the Company, filed with the Secretary of State of the State of Delaware on May 6, 2004, the Certificate of Amendment to the Restated Certificate of Incorporation of the Company, filed with the Secretary of State of the State of Delaware on April 4, 2006, the Certificate of Amendment to the Restated Certificate of Incorporation of the Company, filed with the Secretary of State of the State of Delaware on January 22, 2013, the Certificate of Amendment to the Restated Certificate of Incorporation of the Company, filed with the Secretary of State of the State of Delaware on March 7, 2016, the Certificate of Amendment to the Restated Certificate of Incorporation of the Company, filed with the Secretary of State of the State of Delaware on August 16, 2017, and the Certificate of Amendment to the Restated Certificate of Incorporation of the Company, filed with the Secretary of State of the State of Delaware on April 18, 2019;

C. a copy of the Amended and Restated Bylaws of the Company, as amended through May 10, 2021;

D. copies of resolutions and unanimous written consents adopted by the Board of Directors of the Company (the “Board”) and the Compensation Committee of the Board (the “Compensation Committee”) relating to, among other things, approval of the amendment of the Plan and the filing of the Registration Statement;

E. copies of the reports of the inspector of election at the annual meetings of the stockholders of the Company held on May 10, 2022 and May 10, 2023, indicating the election of the members of the Board and the Compensation Committee who adopted the resolutions approving the amendment of the Plan and the filing of the Registration Statement and indicating that the amendment of the Plan was approved by the stockholders; and

Location	Mailing Address	Contact
555 17th Street, Suite 3200	P.O. Box 8749	p: 303.295.8000 | f: 303.295.8261
Denver, CO 80202-3921	Denver, CO 80201-8749	www.hollandhart.com

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December 29, 2023

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F. the certificate of good standing covering the Company, issued by the Secretary of State of the State of Delaware as of a recent date (the “Good Standing Certificate”).

We have relied upon the foregoing and upon certificates and other assurances of officers of the Company and others as to factual matters without having independently verified such factual matters. We have assumed for purposes of this opinion: (a) information contained in documents reviewed by us is true, complete and correct; (b) the genuineness and authenticity of all signatures on original documents; (c) the accuracy and completeness of all documents delivered to us and the authenticity of all documents submitted to us as originals; (d) the conformity to originals of all documents submitted to us as copies; (e) the accuracy, completeness and authenticity of certificates of public officials; (f) the legal capacity of all natural persons; and (g) the due authorization, execution and delivery of all documents by parties other than the Company.

We are opining herein as to the Delaware General Corporation Law, as amended, and we express no opinion with respect to the applicability thereto, or the effect thereon, of the laws of any other jurisdiction, or as to any matters of municipal law or the laws of any local agencies within any state.

Based on the foregoing, and subject to the qualifications, assumptions and limitations stated herein, we are of the opinion that the Shares have been duly authorized for issuance pursuant to the Plan and, when issued in accordance with the terms of the Plan, will be validly issued, fully paid and nonassessable.

We expressly disavow any obligation to advise you with respect to future changes in law or in our knowledge or as to any event or change of condition occurring subsequent to the date of this letter. This opinion is for your benefit in connection with the Registration Statement and may be relied upon by you and by persons entitled to rely upon it pursuant to the applicable provisions of the Securities Act.

We consent to the filing of this opinion as Exhibit 5.1 to the Registration Statement. In giving these consents, we do not thereby admit that we are within the category of persons whose consent is required under Section 7 of the Securities Act or the rules and regulations of the Commission.

Very truly yours,

/s/ Holland & Hart LLP