Ratnapur may refer to:

• Ratnapur, Buldhana, a panchayat village in Buldhana District, Maharashtra, India
• A historic name for Latur, a city in Maharashtra, India
• A village in Jamkhed taluka, Ahmednagar district, Maharashtra
• A village in Bijapur district, Karnataka

• Ratnapur, Gandaki, Nepal, a market center in Chapakot Municipality
• Ratnapur, Kailali, Nepal, a village development committee
• Ratnapur, Lumbini, Nepal, a village development committee
• Ratnapur, Seti, Nepal, a village development committee

• Ratnapura, Sri Lanka
• Ratanpur (disambiguation)
• Ratnapuri (disambiguation)