Jack Steven Irons (born July 18, 1962 in Los Angeles, California) is a Jewish American musician who is best known as the former drummer of the American rock bands Red Hot Chili Peppers, Eleven, and Pearl Jam. He has also worked with Joe Strummer and The Latino Rockabilly War, Redd Kross, Raging Slab, and The Les Claypool Frog Brigade. In 2004, Irons released his first solo album, Attention Dimension.