Seini is a name of Polynesian origin, commonly used in countries such as Tonga and Fiji. It is a strong, traditional name that is often given to girls and is said to bring luck and prosperity. People named Seini are known to be kind-hearted, generous, and compassionate individuals who always put others before themselves. They are typically very creative and artistic, with a deep appreciation for music and dance. Seini is a name that carries a sense of warmth and positivity, making it a popular choice for parents looking for a meaningful and beautiful name for their child.