| Official Name: | City of Rangsit เทศบาลนครรังสิต |
| Native Name: | Thai: รังสิต |
| Settlement Type: | City Municipality |
| Pushpin Map: | Bangkok Metropolitan Region |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Thailand |
| Coordinates: | 13.9833°N 100.6167°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Pathum Thani |
| Subdivision Type2: | District |
| Subdivision Name2: | Thanyaburi |
| Government Type: | City Municipality |
| Leader Title: | Mayor |
| Leader Name: | Treelup Thupkrachang |
| Area Total Km2: | 20.80 |
| Population Total: | 79319 |
| Population As Of: | 2014 |
| Population Density Km2: | 3813.41 |
| Timezone: | ICT |
| Utc Offset: | +7 |
| Postal Code Type: | Postcode |
| Postal Code: | 12130 |
| Area Code: | (+66) 2 |
| Rangsit | |
| Leader Title1: | Vice Mayor |
| Area Code Type: | Area code |
Rangsit (Thai: รังสิต, in Thai pronounced as /rāŋ.sìt/) is a city and neighbourhood in Pathum Thani Province, Thailand. Rangsit is a metropolitan city that supports the expansion of Bangkok in the north. Rangsit has become a departure point for travel to provinces in north, northeast, and eastern Thailand.
Rangsit is the home of Rangsit University[1]
The area is served by Rangsit station on the SRT's northern line and dark red line.
In the past, the area of Rangsit was a vast field, covering the area from the north of Bangkok, Pathum Thani to Saraburi and the east side of the Chao Phraya River was called "Thung Luang" (ทุ่งหลวง, refers to large field), with an area of approximately 2,000 km² (about 772 mi²).
At that time, it was a place of habitat for many kinds of wildlife, such as wild elephants, therefore called "Tha Khlong" (ท่าโขลง, refers to pier of herd of elephants) in another name. There were often wild elephants from Khao Yai living there. In addition, it was also the only habitat in the world of Schomburgk's deer (Rucervus schomburgki) an extinct medium-sized deer.
Until the reign of King Chulalongkorn (Rama V) in middle Rattanakosin period, Thailand's first irrigation canal was canalized and passed through this area, it was called "Khlong Rangsit" in honour to his son, Prince Rangsit Prayurasakdi, Prince of Chainat. This caused Rangsit to become an agricultural area especially in rice cultivation and various kinds of fruits such as tangerine and make the area of Rangsit continue to prosper respectively.[2]