Hopalong Cassidy (disambiguation)

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