The 2009 Open Tarragona Costa Daurada was a professional tennis tournament played on outdoor red clay courts. It was the fourth edition of the tournament which was part of the 2009 ATP Challenger Tour. It took place in Tarragona, Spain between 5 and 11 October 2009.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
 Australia | Peter Luczak | 69 | 1 | |
 Spain | Óscar Hernández | 72 | 2 | |
| Spain | Marcel Granollers | 79 | 3 | |
| Spain | Alberto Martín | 98 | 4 | |
 Italy | Paolo Lorenzi | 106 | 5 | |
| Spain | Daniel Gimeno Traver | 112 | 6 | |
 Czech Republic | Jan Hájek | 114 | 7 | |
| Lamine Ouahab | 124 | 8 |
The following players received wildcards into the singles main draw:
Arnau Brugués-Davi Iñigo Cervantes-Huegun Sergio Gutiérrez-Ferrol David ValerianoThe following players received entry from the qualifying draw:
Alberto Brizzi Marc Fornell-Mestres
Philipp Oswald (as a Lucky loser) Albert Ramos-Viñolas
Guillaume RufinSee main article: 2009 Open Tarragona Costa Daurada – Singles. Daniel Gimeno Traver def. Paolo Lorenzi, 6–4, 6–0
See main article: 2009 Open Tarragona Costa Daurada – Doubles. 
Tomasz Bednarek / Mateusz Kowalczyk def. Flavio Cipolla / Alessandro Motti, 6–1, 6–1