Byun

Byun is a Korean surname. It is commonly romanized from the Hangul 변 and is also written as Byeon, Byon, Pyun, or Pyŏn depending on the romanization system and family preference.

The surname may be represented by several hanja characters, with 邊 (edge) being the most frequently associated, though other characters with the same pronunciation are used by different lineages. In Korea, a surname is often linked to one or more bon-gwan, or ancestral seats, and Byun has multiple such clan origins, reflecting its historical diversity.

Today, Byun is found throughout South Korea and in Korean communities worldwide. In diaspora populations, the spelling of the name can vary according to country of residence and immigration era, contributing to multiple English renderings such as Byeon, Byon, Pyun, or Byun.

Notable individuals with this surname span fields such as entertainment, science, and sports, illustrating its broad presence in public life.

For related surnames, see Byeon.