Bobby Z
Bobby Z may refer to:

People
Bob Dylan (born 1941), American musician, born Robert Zimmerman
Robert Zemeckis (born 1952), American director, occasionally nicknamed "Bobbie Z" 
Bobby Z. (born 1956), American musician
Bobby Zamora (born 1981), English footballer
Bobby Z (wrestler) (born 1991), Mexican professional wrestler

Film
The Death and Life of Bobby Z, a 2007 action film

Z, Bobby