Sibley is a village in Jackson County, Missouri, United States. The population was 347 at the 2000 census. It is known as the home of Fort Osage National Historic Landmark.
Sibley is located at 39°10′49″N 94°11′45″W / 39.18028°N 94.19583°W / 39.18028; -94.19583 (39.180338, -94.195940).
According to the United States Census Bureau, the village has a total area of 1.0 square miles (2.7 km²), all of it land.