Dean DeLeo (born August 23, 1961 in Newark, New Jersey) is an American guitarist known for his work with rock band Stone Temple Pilots. Dean is also known for his role in the short-lived bands Talk Show and Army of Anyone. He is the older brother of Robert DeLeo, who plays bass for STP.
DeLeo's playing has received strong critical acclaim over the years. STP's second album, Purple, released in 1994, was ranked at #73 on Guitar World's 100 Greatest Guitar Albums of All-time list.