Steven Richard Nicosia (born August 6, 1955) is an American former professional baseball player.

He played in Major League Baseball as a catcher from 1978 through 1985 for the Pittsburgh Pirates, San Francisco Giants, Montreal Expos and Toronto Blue Jays.

He was a first-round draft pick of the Pittsburgh Pirates out of North Miami Beach High School in 1973.

At the age of only twenty-two, Nicosia made his major league debut for the Pirates on July 8, 1978.

The fan was one of hundreds who had invaded the playing surface of Baltimore's Memorial Stadium trying to secure souvenirs of the victory.