| Vallensbæk | |
| Symbol: | S |
| Symbol Location: | Copenhagen |
| Type: | S-train station |
| Style: | Copenhagen S-train |
| Address: | Centervej 2 2665 Vallensbæk Strand |
| Borough: | Vallensbæk Municipality |
| Country: | Denmark |
| Platform: | Island platform |
| Tracks: | 2 |
| Owned: | DSB |
Vallensbæk station is an S-train railway station serving the suburb of Vallensbæk Strand southwest of Copenhagen, Denmark. The station is located on the Køge radial of Copenhagen's S-train network. It serves the southern end of Vallensbæk Municipality, whereas the northern part of the municipality is better served by Albertslund railway station on the Høje Taastrup radial.