The Humboldt Cable System is a 14810 km submarine cable connecting Valparaíso (Chile) and Sydney (Australia), with branches for the possible connection of other countries and territories, such as Juan Fernández and Isla de Pascua, New Zealand.

The Humboldt Cable project is an initiative of the Government of Chile. In September 2019, the Fondo de Infraestructura, S.A. of Chile selected Telecommunications Management Group, Inc. (TMG) and WFN Strategies, LLC (WFN) to do economic, technical, and legal feasibility study for the Humboldt Cable System. The TMG-WFN consortium received a fund of US$2,982,532 from the Development Bank of Latin America (CAF) which funded the feasibility study.

The Humboldt Cable project is expected to cost approximately US$400million. The Japan Bank for International Cooperation and the Japan ICT Fund (JICT Fund) will provide funds for the project to support NEC as the system vendor.

In December 2021, the Fondo de Infraestructura, S.A. of Chile selected H2 Cable LP, a subsidiary of BW Digital (the owner of Hawaiki Cable System), as a strategic partner for the development of the Humboldt Cable System.