Smales is an English surname. Notable people with this surname include:
Alastair Smales (born 1962), Australian swimmer Daniel Smales (born 1990), English actor Ian Smales (born 1968), English rugby league football player John Smales (1888–1930), English rugby league football player Kenneth Smales (1927–2015), English cricket player Thomas Smales (1934–2017), English rugby league football player Tommy Smales (born 1939), English rugby league football player