Dudhi or Duddhi is a town and Nagar panchayat in Sonbhadra district in the state of Uttar Pradesh, India.

Flights are available to all major Indian cities including Delhi, Mumbai, Kolkata, Lucknow, Agra, Bangalore, Chennai, Patna, Khajuraho, Hyderabad, Gaya etc.

International connections are Bangkok, Colombo, Hong Kong, Mecca and Kathmandu.

The Duddhinagar railway station connects Delhi, Jammu, Allahabad, Ranchi, Tatanagar, Lucknow, Bareilly, Kolkata and Kanpur by rail.

Some notable trains passing through the town are Duddhi is well connected to Renukoot, Robertsganj, Varanasi and Mirzapur by road.