Yoonseo is a unisex Korean given name that consists of two characters: 'Yoon' (윤) and 'Seo' (서). The character Yoon, pronounced as /in/, means "shine" or "light," while Seo can be interpreted as "beauty" or "grace." Together, they form a name with a beautiful meaning, combining the concepts of radiance and elegance.
The name Yoonseo had a brief moment of popularity with five births recorded in 2007, but overall it remains quite rare with only five total births on record.