Report of Foreign Issuer Pursuant to Rule 13a-16 or 15d-16 (6-k)

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

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FORM 6-K

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REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

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For the month of October, 2021.

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Commission File Number 001-38755

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Suzano S.A.

(Exact name of registrant as specified in its charter)

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SUZANO INC.

(Translation of Registrant’s Name into English)

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Av. Professor Magalhaes Neto, 1,752

10th Floor, Rooms 1010 and 1011

Salvador, Brazil 41 810-012

(Address of principal executive office)

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Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

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Form 20-F ⌧ Form 40-F ◻

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Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ◻

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Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ◻

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Enclosures:

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Exhibit 99.1 – Minutes of the Meeting

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SIGNATURE

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Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

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Date: October 25, 2021

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​	​	SUZANO S.A.
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​	By:	/s/ Marcelo Feriozzi Bacci
​	Name:	Marcelo Feriozzi Bacci
​	Title:	Chief Financial Officer and Investor Relations Director

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