| Date: | January 29 – February 4 |
| Edition: | 6th |
| Surface: | Hard (indoor) |
| Location: | Cleveland, Ohio, United States |
| Champs: |  Patrick Kypson |
| Champd: | George Goldhoff /  James Trotter |
The 2024 Cleveland Open was a professional tennis tournament played on indoor hard courts. It was the sixth edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Cleveland, Ohio, United States between January 29 and February 4, 2024.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Australia | James Duckworth | 95 | 1 | |
| United States | Zachary Svajda | 143 | 2 | |
| United States | Emilio Nava | 146 | 3 | |
| United States | Denis Kudla | 164 | 4 | |
| United States | Patrick Kypson | 183 | 5 | |
| United States | Tennys Sandgren | 266 | 6 | |
| United States | Mitchell Krueger | 286 | 7 | |
| United States | Aidan Mayo | 298 | 8 |
The following players received wildcards into the singles main draw:
Murphy Cassone Keegan Smith Quinn VandecasteeleThe following players received entry into the singles main draw as alternates:
The following players received entry from the qualifying draw:
Gabi Adrian Boitan
Patrick Brady William Grant Stefan Kozlov Patrick MaloneyThe following player received entry as a lucky loser:
Ezekiel ClarkSee main article: 2024 Cleveland Open – Singles.
Patrick Kypson def. Ethan Quinn 4–6, 6–3, 6–2.See main article: 2024 Cleveland Open – Doubles.
George Goldhoff / James Trotter def. William Blumberg / Alex Lawson 6–7(0–7), 6–3, [10–8].