Rash 1 (disambiguation)

Rash 1 may refer to one of the following:
 * RASH 1, a casting designed by Ira Gilford that debuted in the 1974 Flying Colors series. It is a reissue of the Brabham Repco F1.
 * Rash 1 (1999), a casting that debuted in the 1999 Crashers series.