| Last single = "Tumble in the Rough" (1996)
| This single = "Down" (1999)
| Next single = "Sour Girl" (2000)
{{Extra tracklisting
| Album = No. 4
| Type = Studio
| prev_track =
| prev_no =
| this_track = "Down"
| track_no = Track 1
| next_track = "Heaven & Hot Rods"
| next_no = Track 2
}}
}
"Down" is a song by Stone Temple Pilots and the first single off their fourth album ''No. 4''. It is one of the heaviest songs by the band and was featured in advertisements promoting the release of ''No. 4'' as well as in more than one episode of the ''The Sopranos''. In 2001, it was nominated for Best Hard Rock Performance at the Grammy Awards, an award STP had previously won for the song " Plush" in 1994.