The 2009 Aberto Santa Catarina de Tenis was a professional tennis tournament played on outdoor red clay courts. It was part of the 2009 ATP Challenger Tour. It took place in Blumenau, Brazil between 11 and 17 May 2009.
| Nationality | Player | Ranking* | Seeding | |
|---|---|---|---|---|
 Argentina | Sebastián Decoud | 157 | 1 | |
 Brazil | João Souza | 224 | 2 | |
| Brazil | André Miele | 255 | 3 | |
| Brazil | Rogério Dutra da Silva | 260 | 4 | |
| Argentina | Juan-Pablo Amado | 263 | 5 | |
| Marcel Felder | 268 | 6 | ||
| Brazil | Eric Gomes | 299 | 7 | |
| Brazil | Júlio Silva | 314 | 8 |
The following players received wildcards into the singles main draw:
André Baran Fabrício Neis José Pereira Bruno WolkmannThe following players received entry from the qualifying draw:
Rafael Camilo Daniel Silva Thales TuriniSee main article: 2009 Aberto Santa Catarina de Tenis – Singles. Marcelo Demoliner def. Rogério Dutra da Silva, 6–1, 6–0
See main article: 2009 Aberto Santa Catarina de Tenis – Doubles. Marcelo Demoliner / Rodrigo Guidolin def. Rogério Dutra da Silva / Júlio Silva, 7–5, 4–6, [13–11]