Exhibit 8.1
List of Subsidiaries of SK Telecom Co., Ltd.
(As of December 31, 2025)
| Subsidiary Name |
Jurisdiction of Incorporation | |
| SK Telink Co., Ltd. | Korea | |
| SK Broadband Co., Ltd. | Korea | |
| PS&Marketing Corporation | Korea | |
| SERVICE ACE Co., Ltd. | Korea | |
| SERVICE TOP Co., Ltd. | Korea | |
| SK O&S Co., Ltd. | Korea | |
| SK Telecom China Holdings Co., Ltd. | China | |
| Atlas Investment | Cayman Islands | |
| SK Telecom Americas, Inc. | USA | |
| Happy Hanool Co., Ltd. | Korea | |
| SK stoa Co., Ltd. | Korea | |
| SAPEON Inc. | Korea | |
| Astra AI Infra LLC | USA | |
| Home & Service Co., Ltd. | Korea | |
| Media S Co., Ld. | Korea | |
| Global AI Platform Corporation | USA | |
| Global AI Platform Corporation Korea | Korea | |
| Forest AI Investment | Cayman Islands | |
| SK Telecom Innovation Fund, L.P. | USA |