| Official Name: | Cottekill, New York |
| Settlement Type: | hamlet |
| Pushpin Map: | New York |
| Pushpin Map Caption: | Location within the state of New York |
| Subdivision Type: | Country |
| Subdivision Name: | United States |
| Subdivision Type1: | State |
| Subdivision Name1: | New York |
| Subdivision Type2: | County |
| Subdivision Name2: | Ulster |
| Area Total Sq Mi: | 2.416 |
| Area Land Sq Mi: | 2.395 |
| Area Water Sq Mi: | 0.021 |
| Population As Of: | 2014 |
| Population Total: | 451 |
| Population Density Sq Mi: | 188 |
| Timezone: | Eastern (EST) |
| Utc Offset: | -5 |
| Timezone Dst: | EDT |
| Utc Offset Dst: | -4 |
| Elevation Ft: | 295 |
| Coordinates: | 41.8514°N -74.1022°W |
| Postal Code Type: | ZIP code |
| Postal Code: | 12419 |
| Area Code: | 845 |
| Blank Name: | FIPS code |
| Blank1 Name: | GNIS feature ID |
Cottekill is a small hamlet in the northwest part of the Town of Rosendale, Ulster County, New York, United States. Located in the Rondout Valley, it is approximately 2.25 miles east of the hamlet of Stone Ridge, 2.5 miles northwest of Rosendale Village, 8.75 miles south of the city of Kingston and 10.9 miles north of the village of New Paltz. As of 2014, the population was listed at 451.
Cottekill features a Post Office (12419) and has its own fire department, Cottekill Volunteer Fire Company. The Brookside School, a private school for children with developmental disabilities is located here as well as the Sustainable Living Resource Center, a project of Sustainable Hudson Valley. SUNY Ulster, a community college, is nearby in Stone Ridge.
There is also the Marbletown-Rosendale Rail Trail, curving along the old New York, Ontario and Western Railway (O&W) tracks, paralleling Lucas Avenue. It starts at Leggett Road, crosses the Cottekill Creek on a wooden footbridge and travels north to Cottekill Road, past the Cottekill Fire House. It continues north from the firehouse, along the O&W path, crosses Marcott Road and comes out on Route 209.