Diya is a Hindi and Sanskrit name meaning "lamp" or "light"; a diya is the small oil lamp lit during Diwali, the festival of lights. It is also an Arabic name meaning "brightness". In the United States Diya entered the top 1000 in 2004 at its peak of number 873; it has since declined gradually, from number 1037 in 2015 to number 1714 in 2025.