| Date: | 29 January – 4 February |
| Edition: | 6th |
| Surface: | Hard (indoor) |
| Location: | Koblenz, Germany |
| Champs: |  Jurij Rodionov |
| Champd: | Sander Arends / Sem Verbeek |
The 2024 Koblenz 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 Koblenz, Germany from 29 January to 4 February 2024.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Austria | Jurij Rodionov | 111 | 1 | |
 United States | Brandon Nakashima | 127 | 2 | |
 United Kingdom | ||||
| Lloyd Harris | 167 | 4 | ||
 Czech Republic | Zdeněk Kolář | 176 | 5 | |
 Italy | Mattia Bellucci | 179 | 6 | |
| Rudolf Molleker | 192 | 7 | ||
| Italy |
The following players received wildcards into the singles main draw:
The following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
The following players received entry as lucky losers:
See main article: 2024 Koblenz Open – Singles.
Jurij Rodionov def. Brandon Nakashima 6–7(7–9), 6–1, 6–2.See main article: 2024 Koblenz Open – Doubles.
