"Mr. Roboto" is a song by American rock band Styx, released as the lead single from their eleventh studio album, Kilroy Was Here (1983). It was written by band member Dennis DeYoung. In Canada, it went to #1 on the RPM national singles chart. It entered the US Billboard Hot 100 on 12 February 1983, reaching No. 3 in April.

Styx is an American rock band formed in Chicago, Illinois, in 1972. They are known for blending melodic hard rock guitar with acoustic guitar, synthesizers mixed with acoustic piano, upbeat tracks with power ballads, and incorporating elements of international musical theatre. The band established themselves with a progressive rock sound during the 1970s, and began to incorporate pop rock and soft rock elements in the 1980s.