Mattel, Inc. is an American multinational toy manufacturing and entertainment company founded in Los Angeles by Harold Matson and the husband-and-wife duo of Ruth and Elliot Handler in January 1945 and headquartered in El Segundo, California. Mattel has a presence in 35 countries and territories; its products are sold in more than 150 countries. Mattel consists of three business segments: North America, International and American Girl.

Ruth Marianna Handler was an American businesswoman and inventor. She is best known for inventing the Barbie doll in 1959, and being co-founder of toy manufacturer Mattel with her husband Elliot, as well as serving as the company's first president from 1945 to 1975.