Touré will wear Puma football boots during matches, replacing the Nike boots he previously wore.
The Ivory Coast international will also act as an ambassador for the brand in West Africa.
Touré said: "I am very excited about this new partnership with Puma and the work we will be able to do together to give children in Africa the chance to play football.
"I have chosen to partners with Puma because of the strong ties the brand has in Africa, they are the best company to help me provide these projects with football equipment."
Christian Voigt, senior head of global sports marketing at Puma, said: "African football continues to be a key focus of Puma's global sports marketing strategy, and signing Yaya Touré is another important step in developing our asset portfolio."
No financial details of the deal have been disclosed.
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