Serach may refer to:
- A Hebrew feminine given name, also spelled Serah or Serakh:
- Serach, the daughter of the biblical patriarch Asher about whom many midrashim are told
- Serach (Khazar), the wife of the Khazar ruler Sabriel who influenced, according to the Schechter Letter, the latter's decision to convert to Judaism
- Serach, Germany, a neighborhood of Esslingen am Neckar
- Šěrach, the Sorbian spelling of Schirach