Rhonda Renee Johnson (December 16, 1956 – August 4, 1971) and Sharon Lynn Shaw (August 11, 1957 – August 4, 1971) were two American teenage girls who disappeared in Harris County, Texas, on the afternoon of August 4, 1971. In early 1972, the skeletal remains of both girls were discovered in and around Clear Lake near Galveston Bay.