The Hellas Verona winger made his debut for his country in Monday's 2-0 international friendly victory over Honduras, before again featuring in the 3-1 loss to Bosnia-Herzegovina on Friday.
The 20-year-old former Barcleona academy man's inclusion appears to have come at the expense of Crystal Palace winger Lee Chung-yong, who was a surprise exclusion.
Swansea midfielder Ki Sung-yeung will captain Shin Tae-yong's side as they prepare to face Sweden, Mexico and Germany as they look to better their Group Stage exit last time around.
South Korea's World Cup squad in full:
Goalkeepers: Kim Seung-gyu (Vissel Kobe), Kim Jin-hyeon (Cerezo Osaka), Cho Hyun-woo (Daegu FC).
Defenders: Kim young-gwon (Guangzhou Evergrande), Jang Hyun-soo (FC Tokyo), Jung Seung-hyun (Sagan Tosu), Yun Yong-sun (Seongnam FC), Oh Ban-suk (Jeju United), Kim Min-woo (Sangju Sangmu), Park Joo-ho (Ulsan Hyundai), Hong Chul (Sangju Sangmu), Go Yo-han (FC Seoul), Lee Yong (Jeonbuk Hyundai Motors).
Midfielders: Ki Sung-yueng (Swansea City), Jung Woo-young (Vissel Kobe), Ju Se-jong (Asan Mugunghwa FC), Koo Ja-cheol (FC Augsburg), Lee Jae-sung (Jeonbuk Hyundai Motors), Lee Seung-woo (Hellas Verona), Moon Seon-min (Incheon United).
Forwards: Kim Shin-wook (Jeonbuk Hyundai Motors), Son Heung-min (Tottenham Hotspur), Hwang Hee-chan (FC Red Bull Salzburg).