Gilliam is a surname that can refer to various individuals, including the American filmmaker Terry Gilliam, known for his unique visual style and imaginative storytelling. He gained fame as a member of the comedy group Monty Python and directed films like Brazil and 12 Monkeys. In addition to its association with individuals, "Gilliam" can also refer to places or businesses. For example, there are towns named Gilliam in the United States, such as Gilliam, Louisiana. These locations often have historical significance or local attractions that reflect their community's culture.