Rigor mortis is one of the recognizable signs of death.
Rigor mortis also may refer to:
- Rigor Mortis (film), 2013, by Juno Mak
- Rigor Mortis (radio), 2003-2006 BBC Radio 4 comedy series
- Musical contexts:
- Rigor Mortis (band), thrash-metal band
- Titled works:
- "Rigor Mortis" (song), 1977, by Cameo
- Albums:
- Rigor Mortis (album), 1988 by the band
- De RigueurMortis 2001 album by Australian band TISM