| 2009 Challenger DCNS de Cherbourg | |
|---|---|
| Date | March 2 – March 8 |
| Edition | 16th |
| Location | Cherbourg-en-Cotentin, France |
| Champions | |
| Singles | |
 Arnaud Clément | |
| Doubles | |
| Arnaud Clément / Édouard Roger-Vasselin | |
The 2009 Challenger DCNS de Cherbourg was a professional tennis tournament played on indoor hard courts. It was part of the 2009 ATP Challenger Tour. It took place in Cherbourg-en-Cotentin, France between 2 and 8 March 2009.
| Nationality | Player | Ranking* | Seeding |
|---|---|---|---|
 BEL | Christophe Rochus | 60 | 1 |
| FRA | Arnaud Clément | 73 | 2 |
| FRA | Nicolas Mahut | 131 | 3 |
| FRA | Adrian Mannarino | 132 | 4 |
| FRA | Mathieu Montcourt | 138 | 5 |
| FRA | Josselin Ouanna | 163 | 6 |
| FRA | Édouard Roger-Vasselin | 180 | 7 |
| FRA | Alexandre Sidorenko | 181 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Richard Bloomfield Jean-Christophe Faurel Romain Jouan 
Thomas Oger 
Eric Gomes (as a Lucky loser)
Alex Kuznetsov (as a Lucky loser) Arnaud Clément def. Thierry Ascione, 6–2, 6–4
Arnaud Clément / Édouard Roger-Vasselin def. 
Martin Fischer / Martin Slanar, 4–6, 6–2, [10–3]
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