Friendly is the surname of:
- Alfred Friendly (1911–1983), American journalist and editor
- David T. Friendly (born 1956), American film producer
- Ed Friendly (1922–2007), American TV producer
- Fred W. Friendly, former president of CBS News
- Henry Friendly, judge of the United States Court of Appeals for the Second Circuit
- Michael Friendly (born 1945), a professor of psychology at York University in Ontario, Canada