The local language in Nice, France, is French. However, many locals also speak English and other languages such as Italian and Spanish due to the diverse population. You will also hear the local dialect Niçard or Nissart, which is a mixture of French, Italian and Occitan. But don't worry, the locals are used to tourists and are generally happy to speak English. However, they are always happy when visitors take the trouble to speak a few important phrases in French.