JIA
- Family (Ba Jin novel)
- Heavenly Stems
- Institute of Actuaries
- Jacksonville International Airport
- Japan Institute of Architects
- Jetstream International Airlines
- Jia (EP)
- Jia (name)
- Jia (short film)
- Jia (singer)
- Jia (surname)
- Jia (vessel)
- Jia County, Henan
- Jia County, Shaanxi
- Jia, Guan County
- Jia, Iran
- Jiah Khan
- Jiya (disambiguation)
- Johannesburg International Airport
- Juvenile idiopathic arthritis
- Juína Airport
- PSA Airlines
- Taiwanese units of measurement