Sara Mota de Larrea is a Mexican billionaire who has an estimated net worth of $11.6 billion as of April 2019.

De Larrea inherited the company, Grupo Mexico after his husband Jorge died in 1999. His husband known as the copper king of Mexico who bought privatized government assets when he was still alive. They owned 36% of the company and world's 7th largest copper manufacturer. Aside from this, they also run the largest railroad business and oil-drilling firm in Mexico.

In 1999, their company purchased Asarco, Southern Copper's parent company. Thirteen years later, Grupo Mexico acquired more than 800,000 tons of copper, 90,000 tons of zinc and 63,000 ounces of gold. De Larrea's son, German took the reins of the company in 1994.

Sara Mota de Larrea is widowed and has two children.