| Aleš Holubec | |
| Nationality: | Czech |
| Birth Date: | 13 March 1984 |
| Birth Place: | Opava, Czechoslovakia |
| Height: | 1.99 m |
| Weight: | 90 kg |
| Spike: | 357 cm |
| Block: | 335 cm |
| Position: | Middle blocker |
| Currentclub: | Slavia HK |
| Currentnumber: | 7 |
| Years: | 2010– |
| Teams: | Nantes Rezé Métropole Volley |
| Nationalyears: | 2010– |
| Nationalteam: | Czech Republic |
Aleš Holubec (born 13 March 1984) is a Czech male volleyball player. He was part of the Czech Republic men's national volleyball team at the 2010 FIVB Volleyball Men's World Championship in Italy.[1] He plays for Nantes Rezé Métropole.[2]