1998 in South Korea

Incumbents

• President: Kim Young-sam, Kim Dae-jung
• Prime Minister: Goh Kun, Kim Jong-pil

  Events

• Mount Kumgang Tourist Region opened for tourists.
• Korean Air Flight 8702
• 1998 South Korea Flood is the 3rd deadliest in South Korean history.
• 1998 North Korean missile test
• 1998 Sokcho submarine incident
• Battle of Yeosu
• July 12: , one frogman found dead on a beach at Donghae on South Korea's east coast.

  Births

• January 16 – Seungkwan, singer in boy group Seventeen
• January 26 – Chanwoo, singer in boy group iKon
• January 26 – Moon Bin, member of boy group ASTRO
• February 5 – Hyunjoo, member of girl group April
• May 6 – Hwanhee, singer in boy group UP10TION
• May 27 – Son Ju-yeon, member of girl group Cosmic Girls
• May 28 – Kim Dahyun, member of girl group Twice
• August 10 – Jang Ye-eun, member of girl group CLC
• December 13 – Xiao, singer in boy group UP10TION