San Nicolas

San Nicolas or San Nicolás may refer to:

 Person 
 Spanish name for Saint Nicholas, also called San Nicolás de Myra, San Nicolás de Bari, Nikolaos of Myra

Places
 Aruba 
 San Nicolaas

 Argentina 
 San Nicolás de los Arroyos, in the province of Buenos Aires
 San Nicolás Agreement, signed there
 San Nicolás, Buenos Aires, in the city of Buenos Aires
 San Nicolás Partido (province of Buenos Aires)

 Chile 
 San Nicolás, Chile, a village and comuna in Ñuble Province, Bío-Bío Region

 Costa Rica 
 San Nicolás District, Cartago; see districts of Costa Rica

 Cuba 
 San Nicolás de Bari, province of Mayabeque

 Honduras 
 San Nicolás, Copán
 San Nicolás, Santa Bárbara

 Mexico 
 San Nicolás de Carretas (Chihuahua)
 San Nicolás de los Garza (Nuevo León)
 San Nicolás Hidalgo (Oaxaca)
 San Nicolás Tolentino (San Luis Potosí)
 San Nicolás, Baja California
 San Nicolás, Jalisco
 San Nicolás, Oaxaca
 San Nicolás, Puebla
 San Nicolás, Tamaulipas

 Nicaragua 
 San Nicolás, Estelí

 Philippines 
 San Nicolas, Batangas
 San Nicolas, Ilocos Norte
 San Nicolas, Manila
 San Nicolas, Pangasinan

 Peru 
 San Nicolás District, Rodríguez de Mendoza (Amazonas)
 San Nicolás District, Carlos Fermín Fitzcarrald (Ancash)

 Spain 
 San Nicolás (Pamplona)
 San Nicolás del Puerto (Andalusia)
 La Aldea de San Nicolás (Canaries)

 United States 
 San Nicolas Island, one of California's Channel Islands

 Ships 
HMS San Nicolas, Royal Navy ship, formerly Spanish navy ship San Nicolás, captured at the Battle of Cape St Vincent in 1797
SS San Nicolas, Panamanian cargo ship in service 1949-64, formerly German ship SS Claus Rickmers