No, ASUS is not owned by Dell. ASUS and Dell are two separate and independent technology companies.
ASUS is a Taiwanese multinational company that specializes in computer hardware and consumer electronics. They are known for their motherboards, graphics cards, laptops, desktops, and other products.
Dell is an American multinational technology company that also specializes in computer hardware and software. They are known for their desktops, laptops, servers, and storage solutions.
Both companies compete in the same market, but they are not related in terms of ownership.