Konjsko is a South Slavic placename, derived from konj ("horse"). It may refer to:
- Konjsko, Karlobag, Croatia
- Konjsko, Klis, Croatia
- Konjsko, Lipljan, Kosovo
- Konjsko, Posušje, Bosnia
- Konjsko, Resen, North Macedonia
- Konjsko, Trebinje, Bosnia
- Konjsko Brdo, Perušić, Croatia