| Date: | 13–19 March |
| Edition: | 1st |
| Surface: | Clay (indoor) |
| Location: | Székesfehérvár, Hungary |
| Champs: |  Hamad Međedović |
| Champd: | Bogdan Bobrov /  Sergey Fomin |
The 2023 Kiskút Open was a professional tennis tournament played on indoor clay courts. It was the first edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Székesfehérvár, Hungary between 13 and 19 March 2023.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Hungary | Fábián Marozsán | 163 | 1 | |
 Italy | Flavio Cobolli | 165 | 2 | |
 France | Manuel Guinard | 177 | 3 | |
| Hungary | Zsombor Piros | 179 | 4 | |
| Adrian Andreev | 204 | 5 | ||
 Bosnia and Herzegovina | Damir Džumhur | 208 | 6 | |
| Serbia | ||||
| Serbia | Hamad Međedović | 217 | 8 | |
| France | Evan Furness | 223 | 9 |
The following players received wildcards into the singles main draw:
Péter Fajta Matyas Füle Gergely MadarászThe following player received entry into the singles main draw as an alternate:
The following players received entry from the qualifying draw:
See main article: 2023 Kiskút Open – Singles.
Hamad Međedović def. Nino Serdarušić 6–4, 6–3.See main article: 2023 Kiskút Open – Doubles.
Sergey Fomin def. 
Sarp Ağabigün / Ergi Kırkın 6–2, 5–7, [11–9].
