Chastain is a surname that can refer to various individuals, including notable figures in the entertainment industry. One prominent person with this name is Jessica Chastain, an acclaimed American actress and producer known for her roles in films such as The Help and Zero Dark Thirty. She has received multiple awards for her performances, including an Academy Award. In addition to its association with individuals, Chastain can also refer to places or institutions. For example, Chastain Park is a well-known park in Atlanta, Georgia, offering recreational facilities and cultural events. The name may also appear in various contexts, such as businesses or organizations.