"When in Rome (Do the Jerk)" is a song by the American alternative rock band Rocket from the Crypt, released as the first single from their 1998 album RFTC.

It was released as a shaped picture disc by Elemental Records, with the new songs "Tarzan" and "Tiger Feet Tonite" on the B-side.

[1] The single did not chart; in fact, of the three singles released from the album, only "Lipstick" managed to make the UK Singles Chart.

[2]