| L. C. Dysart | |
| Office: | Member of the Legislative Assembly of New Brunswick |
| Term Start: | 1944 |
| Term End: | 1952 |
| Constituency: | Westmorland |
| Birth Date: | 25 November 1898 |
| Birth Place: | Grande-Digue, New Brunswick |
| Death Place: | Irishtown, New Brunswick |
| Spouse: | Pauline Blanchard |
| Party: | New Brunswick Liberal Association |
| Occupation: | marchinist |
| Residence: | Irishtown, New Brunswick |
Langton Cutler Dysart (November 25, 1898 - December 8, 1956) was a Canadian politician. He served in the Legislative Assembly of New Brunswick as member of the Liberal party from 1944 to 1952.[1]