Castellammare

Castellammare may refer to one of the following places:


 * Castello a Mare or Castellammare, an ancient fortress and an ancient quarter of the historic center of Palermo, Sicily
 * Castellammare, Los Angeles, a neighborhood in Pacific Palisades, California
 * Castellammare di Stabia, a commune in Napoli province, Campania region
 * Castellammare del Golfo, a town in Trapani province, Sicily, noted for being the birthplace of many prominent American Mafia figures
 * Castellammare Adriatico, former Italian municipality of Abruzzo region, annexed in the territory of Pescara in 1927
 * Gulf of Castellammare, a bay in Sicily