| Date: | 14–20 October |
| Edition: | 5th |
| Category: | ATP Challenger Tour |
| Surface: | Hard |
| Location: | Shenzhen, China |
| Champs: |  Mackenzie McDonald |
| Champd: |  Pruchya Isaro /  Wang Aoran |
The 2024 Shenzhen Longhua Open was a professional tennis tournament played on hard courts. It was the fifth edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Shenzhen, China between 14 and 20 October 2024.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 France | Arthur Cazaux | 92 | 1 | |
 Australia | Adam Walton | 95 | 2 | |
 United Kingdom | Billy Harris | 106 | 3 | |
| France | Ugo Blanchet | 139 | 4 | |
| United States | Mackenzie McDonald | 151 | 5 | |
| Hsu Yu-hsiou | 183 | 6 | ||
 Japan | Yuta Shimizu | 256 | 7 | |
| Australia | James McCabe | 272 | 8 |
The following players received wildcards into the singles main draw:
Chen Xingdao Te Rigele Xiao LinangThe following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
Thomas Fancutt Ryuki Matsuda Arthur Weber Zeng Yaojie Zhang TianhuiSee main article: 2024 Shenzhen Longhua Open – Singles.
Mackenzie McDonald def. Arthur Cazaux 6–4, 7–6(7–4).See main article: 2024 Shenzhen Longhua Open – Doubles.
Pruchya Isaro / Wang Aoran def. Ray Ho / Joshua Paris 7–6(7–4), 6–3.