Castro
- Board of Education
- Castel di Castro
- Castor (disambiguation)
- Castro (clothing)
- Castro (musician)
- Castro (song)
- Castro (surname)
- Castro (village)
- Castro Barros (disambiguation)
- Castro City (disambiguation)
- Castro County, Texas
- Castro Cove
- Castro Creek
- Castro FC
- Castro Street (disambiguation)
- Castro Street Station
- Castro Theatre
- Castro Valley, California
- Castro brothers (disambiguation)
- Castro culture
- Castro, Apulia
- Castro, Chile
- Castro, Lazio
- Castro, Lombardy
- Castro, Paraná
- Castro, Ticino
- Castros in Spain
- Castrum
- Chester (disambiguation)
- De castro family (disambiguation)
- Duke of Castro (disambiguation)
- Fidel Castro
- Gastro-
- House of Castro
- Jose Castro House
- Julian Castro
- Julián Castro (Venezuelan politician)
- Kastro (disambiguation)
- Liberation Tigers of Tamil Eelam
- Madison, Wisconsin
- Martin Castrogiovanni
- Moglæna
- Oschiri
- Prince Carlo, Duke of Castro
- Raúl Castro
- Roman Catholic Diocese of Castro (disambiguation)
- Roman Catholic Diocese of Castro del Lazio
- Roman Catholic Diocese of Castro di Puglia
- Roman Catholic Diocese of Castro di Sardegna
- Romance language
- Savion Castro
- The Castro, San Francisco
- Wars of Castro
- Yo Gotti
- castrum
- de Castro