Lachine (French: La Chine, China) may refer to a number of places in the Montreal area:
- Lachine, Quebec, a borough of Montreal
- Lachine Rapids
- Lachine Canal
- The Fur Trade at Lachine National Historic Site
- Lachine (AMT) train station on the Dorion-Rigaud Line of the Agence métropolitaine de transport commuter train network
- Notre-Dame-de-Grâce—Lachine, a federal electoral district
- Lachine massacre, 1689 attack by Mohawk warriors on the French settlement of Lachine