Rei is a unisex Japanese name that means "bell" or "beautiful". It is a name that reflects elegance, grace, and simplicity. People with the name Rei are often seen as peaceful, calm, and gentle individuals who bring a sense of harmony to those around them. Rei is a name that carries a sense of tranquility and balance, making it a popular choice for both boys and girls. Overall, Rei is a name that embodies a sense of beauty and serenity.