| Ambala Cantonment | |
| Nickname: | Science City |
| Settlement Type: | City |
| Pushpin Map: | India Haryana#India3 |
| Pushpin Map Caption: | Location in Haryana, India |
| Coordinates: | 30.3619°N 76.8481°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Haryana |
| Subdivision Type2: | District |
| Subdivision Name2: | Ambala |
| Established Date: | 1843(cantonment) |
| Governing Body: | Cantonment Board Ambala |
| Unit Pref: | Metric |
| Population Total: | 55,370[1] |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages[2] [3] |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Hindi |
| Demographics1 Title2: | Additional official |
| Demographics1 Info2: | English, Punjabi |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code: | 1330XX |
| Registration Plate: | HR 01, HR 85, HR 37 |
Ambala Cantonment is a cantonment town in Ambala district in the state of Haryana, India. It is 200 km north of Delhi and 55 km southwest of Chandigarh. This cantonment was established in the year 1843 and is an important centre for manufacturing of scientific and surgical instruments.
India census, Ambala Cantonment had a population of 55,370. Males constitute 61% of the population and females 39%. Ambala Cantonment has an average literacy rate of 91.24%, higher than the national average of 74%; with 95.07% of the males and 85.32% of females literate. 11.41% of the population is under 6 years of age.[1]
Scientific and surgical instruments are manufactured in Ambala Cantonment.[4]
Ambala Cantonment Junction railway station is a major junction. Delhi-Kalka and Saharanpur-Ludhiana's railway lines pass through this junction[4]
G.T. Road passes through Ambala Cantonment.
Historic Colleges which were established before independence of India are also present. An example of that is Sanatan Dharma College on Ambala–Jagadhri Highway.[5] [6] Convent of Jesus and Mary is a girls' day-school in Ambala Cantonment.[7]