Senna is a unisex name of Arabic origin that means "brightness" or "radiance." It is a popular name in Brazil, where it is often given to girls in honor of the late Brazilian Formula 1 racing driver Ayrton Senna. Senna is a unique and modern name that exudes a sense of strength and vitality. Those named Senna are often described as charismatic, confident, and passionate individuals who bring light and positive energy into any room they enter. Overall, Senna is a beautiful and powerful name that carries a sense of warmth and brightness wherever it goes.