Upvote:1
Wikipedia says:
In general, travelers in transit do not require a visa to transit through South Korea for less than 24 hours (for Incheon Airport) or when departing on the same calendar day (for all other airports) as long as they stay within the transit area.
Citizens of the following countries, however, must hold a Korean visa for transit:
Egypt, Sudan, Syria, Yemen
Upvote:1
TIMATIC (the database airlines use to check visa requirements) shows that a visa will not be required. You can enter your details here to if you'd like to check yourself.