Keeline is an unincorporated community in Niobrara County, in the U.S. state of Wyoming.

[1] A post office called Keeline was established in 1908, and remained in operation until it was discontinued in 1995.

[3] In 1910, the settlement was first planned by Addison Spaugh, who encouraged businesses to settle around the local railway depot.

Several establishments soon set up in town, including a barber, lumberyard, dining hall, car dealership, a hardware store, and a school.

Today, only a few people live in the townsite, and most of the buildings are abandoned.