| Date: | 28 October – 3 November |
| Edition: | 8th |
| Location: | Seoul, South Korea |
| Champs: |  Nikoloz Basilashvili |
| Champd: |  Saketh Myneni / Ramkumar Ramanathan |
The 2024 Seoul Open Challenger was a professional tennis tournament played on outdoor hard courts. It was the eighth edition of the tournament. It was part of the 2024 ATP Challenger Tour. It took place in Seoul, South Korea, between 28 October and 3 November 2024.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Japan | Taro Daniel | 89 | 1 | |
 United States | Mackenzie McDonald | 120 | 2 | |
| United States | Nicolas Moreno de Alboran | 121 | 3 | |
| Tseng Chun-hsin | 125 | 4 | ||
 Korea, Republic of | ||||
 Hong Kong | Coleman Wong | 145 | 6 | |
 France | Térence Atmane | 152 | 7 | |
| Japan | Sho Shimabukuro | 178 | 8 |
The following players received wildcards into the singles main draw:
Chung Hyeon Chung Yun-seong Shin San-huiThe following players received entry from the qualifying draw:
The following player received entry as a lucky loser:
Cui JieSee main article: 2024 Seoul Open Challenger – Singles.
Nikoloz Basilashvili def. Taro Daniel 7–5, 6–4.See main article: 2024 Seoul Open Challenger – Doubles.
Saketh Myneni / Ramkumar Ramanathan def. Vasil Kirkov / Bart Stevens 6–4, 4–6, [10–3].
