Gongan or Gong'an may refer to:
Gong'an County (公安县), Jingzhou, Hubei, China Gong'an, Zhongshan County (公安镇), town in Guangxi, China Gong'an fiction, a subgenre of Chinese crime fiction revolving around government magistrates solving criminal cases Koan, also known as Gongan, story, dialogue, question, or statement in Chán Buddhism Gonganbu, or the Ministry of Public Security, the PRC's domestic security agency, civil registrar and police force Gongan, the time span between gong ageng strikes in gamelan music