Marinello is a French (for a sailor, from the Old French word MARIN) surname
Beatriz Marinello (born 1964), a chess player and President of the United States Chess Federation (2003–2005)
Kathryn V. Marinello (born 1956), President and CEO of Ceridian Corporation
Peter Marinello (born 1950), a former Scottish soccer player
Vince Marinello, a sportscaster formerly featured on WWL radio and on WDSU television in New Orleans, Louisiana