2023–24 CEV Challenge Cup

The 2023–24 CEV Challenge Cup was the 44th edition of the third tier European volleyball club competition organised by the European Volleyball Confederation.

Projekt Warsaw won the title by beating Vero Volley Monza in the final.

Format
Qualification round (Home and away matches):
 * 32nd finals

Main phase (Home and away matches):
 * 16th finals → 8th finals → Quarter-finals

Final phase (Home and away matches):
 * Semi-finals → Finals

Aggregate score is counted as follows: 3 points for 3–0 or 3–1 win, 2 points for 3–2 win, 1 point for 2–3 loss. In case the teams are tied after two legs, a Golden Set is played immediately at the completion of the second leg.

Draw
The draw was held in Luxembourg on 19 July 2023.