Radio Infinita is a Chilean radio station broadcasting on 100.1 MHz FM in Santiago. Founded on September 7, 1977, it is currently owned by Megamedia, part of the Bethia holding company. The station offers a mix of news, talk shows, and adult contemporary music programming aimed at an upper-middle-class audience aged 24-50.

In 2018, Radio Infinita shifted to a more news and information-focused format under the direction of prominent journalists. Its current lineup includes popular shows like "Ahora es Cuando" with Cony Stipicic and Juan Manuel Astorga, "Más que Números" with Catalina Edwards and Patricio Eskenazi, and "Déjate Caer" with Tomás Peña.

The station broadcasts throughout Chile on various frequencies and is also available online and through mobile apps. Radio Infinita's slogan is "Palabras con poder" (Words with power), reflecting its emphasis on informative content and influential voices in Chilean media.