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 (1915–1998), former president of CBS News
• Henry Friendly (1903–1986), judge of the United States Court of Appeals for the Second Circuit
• Michael Friendly (born 1945), American psychologist