Kilroy Was Here is the eleventh studio album by the rock band Styx, released on February 22, 1983. The album is named after a famousWorld War II graffito, "Kilroy was here." It was the final album of original material to be released by the "classic" lineup of Dennis DeYoung, Tommy Shaw, James "J.Y." Young, John Panozzo, andChuck Panozzo.
The album is certified platinum by the RIAA. As of 2014, it is the last album by the band to be certified platinum.