Seibert is a statutory town in Kit Carson County, Colorado, United States.

[2] The population was 172 at the 2020 census.

[5] A post office called Seibert has been in operation since 1888.

[7] The community was named after Henry Seibert, a railroad agent.

[9] According to the United States Census Bureau, the town has a total area of 0.3 square miles (0.78 km2), all of it land.