Weiser State Forest is a Pennsylvania State Forest in Pennsylvania Bureau of Forestry District #18. The main offices are located in Cressona in Schuylkill County, Pennsylvania in the United States.

Conrad Weiser, born Johann Conrad Weiser, Jr., was a Pennsylvania Dutch (German) pioneer who served as an interpreter and diplomat between the Pennsylvania Colony and Native American nations. Primarily a farmer, he also worked as a tanner, and later served as a soldier and judge. He lived part of the time for six years at Ephrata Cloister, a Protestant monastic community in Lancaster County.