Company: TCMFF
Filing Date: 2025-12-01
Form Type: 6-K
Source: 0001104659-25-117238
Chunk: 0

Company: TELECOM ARGENTINA SA
Filing Date: 2025-12-01
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

of the Securities Exchange Act of 1934

For the month of December 2025

Commission File Number: 001-13464

Telecom Argentina S.A.

(Translation of registrant’s name into English)

General Hornos, No. 690, 1272

Buenos Aires, Argentina

(Address of principal executive offices)</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         x |     | Form 40-F         ¨ |

<div align='center'>Telecom Argentina S.A.

TABLE OF CONTENTS</div>

Item

| FREE TRANSLATION               
 Buenos Aires, December 1, 2025 |
|:-------------------------------|
| Comisión Nacional de Valores   |

<div align='center'>Re.:Report on relevant information

Conductive proceedings for a merger</div>

Dear Sirs,

I am writing to you in my capacity as Attorney-in-fact
of Telecom Argentina S.A. (“Telecom Argentina” or the “Company”), to inform you that the Board of Directors of
the Company and the Board of Directors of Telecom Argentina’s controlled company TELEDIFUSORA SAN MIGUEL ARCANGEL S.A. (“TSMA”),
in meetings held today, approved the initiation of the process of corporate reorganization by which Telecom Argentina (as absorbing company)
will incorporate by merger TSMA (as absorbed company), effective January 1st, 2026, the date from which the operations of TSMA will
be considered to be carried out by Telecom Argentina.

Additionally, it has been entrusted the timely
preparation of the Consolidated Special Merger Financial Situation Statement of Telecom Argentina and TSMA as of December 31, 2025,
based on the Individual Special Merger Financial Situation Statement of Telecom Argentina and the Special Merger Economic Situation Statement
of TSMA to be prepared as of the same date.

Sincerely,

| Telecom Argentina S.A. |
| /s/Andrea V. Cerdán    |
| Attorney in fact       |

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

Pursuant to the requirements of the Securities