Rajgarh may refer to:

Jammu and Kashmir

• Rajgarh, Jammu and Kashmir

Himachal Pradesh

• Rajgarh, Himachal Pradesh

Madhya Pradesh

• Rajgarh State, a former princely state, named after its capital (now in Madhya Pradesh)
• Rajgarh, Madhya Pradesh, capital of the former princely state
• Rajgarh district
• Rajgarh (Lok Sabha constituency)
• Rajgarh (Vidhan Sabha constituency)
• Rajgarh, Dhar, a town in Dhar district

Rajasthan

• Rajgarh, Rajasthan (also known as Sadulpur), a town (tehsil HQ) in Churu district
  • Rajgarh (Rajasthan Assembly constituency)
• Rajgarh, Alwar, a town in Alwar district
• Rajgarh, Kota, a village in Kota district