Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

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We consent to the incorporation by reference in Registration Statement No. 333-255439 on Form S-8 of our report dated March 7, 2023, relating to the financial statements of Latham Group, Inc. and subsidiaries (the “Company”) appearing in this Annual Report on Form 10-K for the year ended December 31, 2022.

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/s/ Deloitte & Touche LLP

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Hartford, Connecticut

March 7, 2023

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