Marinello is an Italian surname from Marinello on Sicily and from Medieval Latin marinellus ("sailor, mariner").

Notable people with the surname include:

• Beatriz Marinello (born 1964), Chilean-American chess player and chess official
• Kathryn V. Marinello (born 1956), American businesswoman
• Juan Marinello (1898–1977), Cuban communist intellectual and writer
• Peter Marinello (born 1950), Scottish former footballer
• Sandra Marinello (born 1983), German badminton player
• Vince Marinello (1938/39–2020), American sportscaster

• Marin
• Marinello Schools of Beauty