| Chatham High School | |
| Streetaddress: | 50 Woodbridge Avenue |
| City: | Chatham |
| State: | New York |
| County: | (Columbia County) |
| Zipcode: | 12037 |
| Country: | USA |
| Coordinates: | 42.3607°N -73.6094°W |
| Schooltype: | high school |
| Fundingtype: | Public school (government funded) |
| District: | Chatham Central School District |
| Superintendent: | Sal DeAngelo |
| Principal: | John Thorsen |
| Faculty: | 35.24 |
| Grades: | 9 - 12 |
| Enrollment: | 323 (2022-2023)[1] |
| Ratio: | 9.17 |
| Language: | English |
| Campus: | Rural: Distant |
| Colors: | Scarlet and black |
| Mascot: | Panthers |
| Feeders: | Chatham Middle School |
Chatham High School is a rural secondary school (grades 9–12) in Chatham, Columbia County, New York.
CHS is the sole High School operated by the Chatham Central School District.
In 2006, CHS has 520 students in grades 9 to 12. In 2010 the enrollment was 451.