Ambika can refer to:
- Ambika (Mahabharata), the wife of Vichitravirya
- Ambika (Jainism), a Jain Yakshi goddess
- Ambika (actress), an Indian film actress
- Ambika River, a river in Gujarat, India
- Ambika, one of many names for Parvati, a Hindu goddess
- Any of several entities (e.g. Ambika Paul Foundation, Ambika P3, Ambika House) connected to Swraj Paul, Baron Paul