no.

McDonald's is not a subsidiary of Coca-Cola. McDonald's is an independent fast food chain, and its holding company is Pepsi. Although McDonald's and Coca-Cola have cooperated and linked in the past, they are not their parent companies or subsidiaries. Coca-Cola is a world-renowned beverage company, while McDonald's is a chain catering enterprise that mainly focuses on fast food such as hamburgers and French fries. Therefore, McDonald's is not a subsidiary of Coca-Cola, but its holding company is Pepsi.