Seo Geon-chang (born August 22, 1989) is a South Korean professional baseball infielder who is currently playing for the Kia Tigers of the KBO League.

He then left professional baseball to fulfill his compulsory military service.

He won the KBO League Most Valuable Player Award for the 2014 season.

He was traded to the LG Twins in 2021, and moved to Kia Tigers in 2024 season.

This biographical article relating to a Korean baseball infielder is a stub.