Tinney is an Irish surname. Notable people with the surname include:
- Al Tinney (1921–2002), American jazz pianist
- Frank Tinney (1886–1940), vaudeville entertainer
- Joseph E. Tinney (April 24, 1910 – May 13, 2006), American attorney and politician
- Mary Catherine Tinney, Irish diplomat
- Matt Tinney (21st century), reporter and weekend newsreader
- Sheila Tinney, Irish mathematical physicist
- Stuart Tinney (born 1964), Olympic-level equestrian rider
- The Tinney Family, owners of Belcourt Castle in Newport, Rhode Island