2013 Open de Nice Côte d'Azur

The 2013 Open de Nice Côte d'Azur was a men's tennis tournament played on outdoor clay courts. It was the 29th edition of the Open de Nice Côte d'Azur and was part of the ATP World Tour 250 series of the 2013 ATP World Tour. It took place at the Nice Lawn Tennis Club in Nice, France, from May 19 through May 25, 2013.

Seeds

 * Rankings are as of May 13, 2013.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇦🇺 Lleyton Hewitt
 * 🇫🇷 Gaël Monfils
 * 🇫🇷 Édouard Roger-Vasselin

The following players received entry from the qualifying draw:
 * 🇮🇹 Marco Cecchinato
 * 🇧🇷 Rogério Dutra da Silva
 * 🇫🇷 Guillaume Rufin
 * 🇺🇦 Sergiy Stakhovsky

The following player received entry as a lucky loser:
 * 🇺🇸 Ryan Harrison

The following player received entry as an alternate:
 * 🇪🇸 Albert Montañés

Withdrawals

 * Before the tournament
 * 🇺🇸 Brian Baker
 * 🇨🇿 Tomáš Berdych (fatigue)
 * 🇦🇺 Bernard Tomic (personal reasons)
 * 🇪🇸 Marcel Granollers (shoulder injury)
 * 🇧🇪 Xavier Malisse
 * 🇫🇷 Benoît Paire

Retirements

 * 🇨🇴 Alejandro Falla (right calf injury)

Seeds

 * Rankings are as of May 13, 2013.

Other entrants
The following pairs received wildcards into the doubles main draw:
 * 🇪🇸 Pablo Andújar / 🇪🇸 Albert Ramos
 * 🇫🇷 Alexandre Massa / 🇫🇷 Alexandre Pierson

The following pair received entry as alternates:
 * 🇨🇿 Jaroslav Levinský / Lu Yen-hsun

Withdrawals

 * Before the tournament
 * 🇨🇴 Alejandro Falla (right calf injury)

Singles

 * 🇪🇸 Albert Montañés defeated 🇫🇷 Gaël Monfils, 6–0, 7–6(7–3)

Doubles

 * 🇸🇪 Johan Brunström / Raven Klaasen defeated 🇨🇴 Juan Sebastián Cabal / 🇨🇴 Robert Farah, 6–3, 6–2