Santosh Nagar Colony, or Santoshnagar Colony, is a residential and commercial area in Hyderabad, India. It is located near Saidabad in the Old City of Hyderabad and DRDO laboratories. Hyderabad International Airport is about 14 kilometres (8.7 mi) or a 30-minute drive away from here. It is divided into two areas, the Old Santoshnagar Colony and New Santoshnagar Colony. Santoshnagar falls under the Yakutpura assembly constituency, which is represented by All India Majlis-e-Ittehadul Muslimeen Legislator Jaffer Hussain Meraj.

Shops in Santoshnagar include supermarkets on the main road. The nearest market for wholesale vegetables and groceries is 2 km away in Saidabad.

Venkateshwara and Kankadurga are the most popular temples, and Masjid-e-Baghdadia, Masjid-e-Sahaba and the recently established Masjid-e-Nusrath are the most popular mosques in Santoshnagar.

Santoshnagar is connected by buses run by Telangana State Road Transport Corporation and is well connected with the rest of the city and the Hyderabad metropolitan area. Bus routes are the 102, 103, 104, 203, 253 and 478.

The nearest MMTS train stations are at Yakatpura and Malakpet respectively.

The nearest airport is Hyderabad International Airport, 19.5 km away in Shamshabad.

There are also inner colonies in Santoshnagar such as:

Apollo Defence Research and Development Organisation, Owaisi Hospital, Srinivasa, and Nightingale are hospitals in the area. MS Poly Clinic & Dental Care, Near Bandh Naka (ACP Office)