Company: DVS
Filing Date: 2025-12-04
Form Type: 6-K
Source: 0001062993-25-017173
Chunk: 0

Company: DOLLY VARDEN SILVER CORP
Filing Date: 2025-12-04
Form: 6-K
Chunk 0
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<div align='center'>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 UNDER THE
SECURITIES EXCHANGE ACT OF 1934

For the month of:

Commission File Number:

Dolly Varden Silver Corporation
(Translation of registrant's name into English)

595 Burrard Street, Suite 3123

Vancouver BC, Canada V7X 1J1
(Address of principal executive office)</div>

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 [ X ]

<div align='center'>EXHIBIT INDEX</div>

<div align='center'>SIGNATURES</div>

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.

| Date: December 4, 2025 | Dolly Varden Silver Corporation 
 By:                             | /s/Ann Fehr             |
|:-----------------------|:--------------------------------|:------------------------|
|                        | Name:                           | Ann Fehr                |
|                        | Title:                          | Chief Financial Officer |