The purpose of this study was to determine the degree of loneliness felt by young and middle‐aged adults in a long‐term rehabilitation center and the relationship among such variables as loneliness, age, and length of institutionalization. A convenience sample was taken from a long‐term rehabilitation center in Vancouver, BC, Canada. Findings indicate that loneliness is present among young and middle‐aged adults in this long‐term rehabilitation center and is more prevalent among those who have been admitted more recently. Nursing intervention strategies to deal with loneliness are