| Kalwa | |
| Settlement Type: | Suburb |
| Pushpin Map: | Mumbai |
| Coordinates: | 19.1971°N 72.9985°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Type2: | District |
| Subdivision Type3: | Taluka |
| Subdivision Type4: | Metro |
| Subdivision Name1: | Maharashtra |
| Subdivision Name2: | Thane |
| Subdivision Name3: | Thane |
| Subdivision Name4: | Thane |
| Government Type: | Municipal Corporation |
| Governing Body: | Thane Municipal Corporation |
| Unit Pref: | Metric |
| Population Total: | 245973 |
| Population As Of: | 2023 |
| Population Density Km2: | 16902 |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | 400605 |
| Area Code: | 022 |
| Area Code Type: | Telephone code |
| Registration Plate: | MH-04 |
| Blank1 Name Sec1: | Lok Sabha constituency |
| Blank1 Info Sec1: | Kalyan |
| Demographics1 Info1: | Marathi |
| Blank2 Name Sec1: | Vidhan Sabha constituency |
| Blank2 Info Sec1: | Mumbra-Kalwa |
Kalwa (Pronunciation: [kəɭʋaː]) is a town situated near Thane in Thane district, in the State of Maharashtra, India. The nearest railway station is the Kalwa railway station on the Central Line of the Mumbai Suburban Railway. Previously, Kalwa railway station had 2 platforms but now it has increased to 4.[1]
On July 29, 2014, Kalwa, along with Mumbra, became first railway station in the country to provide free WiFi access for commuters and the general public.[2]
The Rajiv Gandhi Medical College and the associated Chhatrapati Shivaji Maharaj Hospital, which is run by the Thane Municipal Corporation, is located in Kalwa.
The 3rd Kalwa Bridge was inaugurated by Maharashtra Chief Minister Eknath Shinde on 13 November 2022.[3] It is expected to ease the traffic at the Kalwa Road junction where Mumbai-Pune Road and Thane-Belapur Road meet. It has old Mumbai-Nashik highway in the West. Kalwa railway station also has a local train carshed.