A philtre is a potion, especially a love potion.
Philtre or Philter may also refer to:
- Le philtre, an 1831 opera by Daniel Auber
- Philtre, a 2005 album by Nitin Sawhney
- "Philter (In viaggio attraverso l'Australia)", a song from The Fantastic Plastic Machine
- Philter, stage name of Magnus Gangstad Jørgensen (born 1985), Norwegian electronic musician