Parti Socialiste

Parti Socialiste (Socialist Party) may refer to:


 * Parti Socialiste (Belgium)
 * Parti Socialiste (France)
 * Parti Socialiste (Mauritius) (PS), see List of political parties in Mauritius
 * Parti Socialiste Mauricien (PSM), see List of political parties in Mauritius
 * Parti Socialiste du Sénégal, Senegal
 * Parti Socialiste Suisse, Switzerland
 * Partie Socialiste (Tunisia)