Oscar Luscher Rapson was an American farmhand, hotel manager and store owner. Rapson is best known for being the first manager of the Grand Rapids Hotel, which was the first major resort on the Wabash River.

The Grand Rapids Hotel also known as The Grand Rapids Resort, was a hotel that existed outside of Mount Carmel, Illinois, in Wabash County, Illinois, United States in Southern Illinois from 1922 to 1929. The hotel was located on the Wabash River next to the Grand Rapids Dam on land that was originally purchased by Thomas S. Hinde. Before the hotel was built, the property where the hotel was located was a site of a former homestead, and was used by Frederick Hinde Zimmerman for multiple small shops that sold goods to fisherman and tourists.