UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934

For the month of February, 2022
Commission File Number 001-40569

December, 31 2021

Standard Lithium Ltd.
(Translation of registrant’s name into English)
Suite 110, 375 Water Street Vancouver, British Columbia, Canada V6B 5C6
(Address of principal executive offices)

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

Form 20-F | ☐ | Form 40-F | ☒

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): ☐

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): ☐

Exhibits 99.1 and 99.2 to this Form 6-K of Standard Lithium Ltd. (the “Company”) are hereby incorporated by reference as exhibits to the Registration Statements on Form F-10 (File No. 333-259442) and Form S-8 (File No. 333-262400) of the Company, as amended or supplemented.

DOCUMENTS INCLUDED AS PART OF THIS REPORT

Exhibit |
99.1 | Interim Consolidated Financial Statements for the six months ended December 31, 2021
99.2 | Management's Discussion and Analysis of Results of Operations and Financial Condition for the six months ended December 31, 2021
99.3 | Form 52-109F2, Certification of Interim Filings (CEO)
99.4 | Form 52-109F2, Certification of Interim Filings (CFO)
101.INS | Inline XBRL Instance Document (the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document).
101.SCH | Inline XBRL Taxonomy Extension Schema Document
101.CAL | Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF | Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB | Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE | Inline XBRL Taxonomy Extension Presentation Linkbase Document
104 | Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101).

SIGNATURES

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.

| Standard Lithium Ltd.
| (Registrant)
Date: |  | February 11, 2022 |  | By: | /s/ Robert Mintak
| Name: | Robert Mintak
| Title: | CEO and Director