| Intro | association football player |
| Is |
Athlete Football player Association football player |
| From | Argentina |
| Type | Sports |
| Gender | male |
| Birth | 23 November 1972, Seoul |
| Age: | 47 years |
In Chang-soo (Korean: 인창수; born 23 November 1972) is a former South Korean footballer and coach. He holds Argentine citizenship.
In was born in South Korea. When he was a child, he emigrated to Argentina. His Argentine name is Diego.
Club career
In Chang-soo played for E-Land Puma during 1994 and 1995.
Managerial career
In 2006, he started his coaching career in Ansan Hallelujah.
On 5 December 2017, he was appointed as manager of Seoul E-Land.
In 2019, In was appointed as assistant manager of South Korea under-20 team. With them, he was the runner-up at the 2019 FIFA U-20 World Cup.