Hopalong Cassidy is a fictional cowboy hero created in 1904 by author Clarence E. Mulford who has appeared in a variety of media.
Hopalong Cassidy may also refer to:
Hopalong Cassidy, a 1910 novel by Clarence E. Mulford Hopalong Cassidy (film series), a 1935-1948 film series starring William Boyd as Hopalong Cassidy Hop-Along Cassidy, the first film in the series Hopalong Cassidy (radio program), a radio program that aired from 1948 to 1952 and starred Boyd as Cassidy Hopalong Cassidy (TV series), a TV series that aired from 1949 to 1952 and starred Boyd as Cassidy Hopalong Cassidy, a 1949–1955 comic strip drawn by Dan Spiegle Hopalong Cassidy, a retractable and refillable ballpoint pen made by the Parker Pen Company before its introduction of the Jotter
See also Hopalong Cassady or Howard Cassady (1934–2019), an American football player Hopalong Cassidy River Trail, a trail in Illinois Hopalong Casualty, a 1960 animated short film