Hoechst or Höchst may refer to:
- Hoechst AG, a former German life-sciences company.
- Hoechst stain, one of a family of fluorescent DNA-binding compounds.
- Höchst (Frankfurt am Main), a city district of Frankfurt am Main, Germany.
- Höchst im Odenwald, a community in Hesse, Germany.
- Höchst, Austria, a municipality in Voralberg, Austria.