Ronaldson is a surname. Notable people with the surname include:
Duncan Ronaldson (1879–1947), Scottish football player James Ronaldson (1769–1841), co-founder of Binny & Ronaldson John Ronaldson (1946–2026), Australian rules football player Malcolm Ronaldson (1917–2004), South African cricketer Michael Ronaldson (born 1954), Australian politician Tony Ronaldson (born 1972), Australian basketball player