San Nicolás
- Church of San Nicolás (disambiguation)
- HMS San Nicolas
- La Aldea de San Nicolás
- Lake tanker
- Michael F.Q. San Nicolas
- Moisés San Nicolás
- Nicholas of Tolentino
- Nicholas of Tolentino (disambiguation)
- Pamplona
- SS San Nicolas (1926)
- Saint Nicholas
- San Nicolaas
- San Nicolas Island
- San Nicolas, Batangas
- San Nicolas, Ilocos Norte
- San Nicolas, Manila
- San Nicolas, Pangasinan
- San Nicolás (Pamplona borough)
- San Nicolás Agreement
- San Nicolás Buenos Aires
- San Nicolás District, Carlos Fermín Fitzcarrald
- San Nicolás District, Cartago
- San Nicolás District, Rodríguez de Mendoza
- San Nicolás Hidalgo
- San Nicolás Partido
- San Nicolás Tolentino
- San Nicolás de Bari
- San Nicolás de Carretas
- San Nicolás de Los Ranchos
- San Nicolás de los Arroyos
- San Nicolás de los Garza
- San Nicolás del Puerto
- San Nicolás, Baja California
- San Nicolás, Buenos Aires
- San Nicolás, Chile
- San Nicolás, Copán
- San Nicolás, Estelí
- San Nicolás, Jalisco
- San Nicolás, La Rioja
- San Nicolás, Oaxaca
- San Nicolás, Puebla
- San Nicolás, Santa Bárbara
- San Nicolás, Tamaulipas
- St Nicholas' Church, Madrid
- St Nicholas' Church, Pamplona
- districts of Costa Rica