Les Liaisons dangereuses is a French epistolary novel by Choderlos de Laclos.
Les Liaisons dangereuses may also refer to:
- Les liaisons dangereuses (film), a 1959 film adapted by Claude Brulé and directed by Roger Vadim
- Les Liaisons Dangereuses 1960, the soundtrack by Art Blakey and the Jazz Messengers with Barney Wilen for the above film
- Les Liaisons Dangereuses (play), a 1985 play adapted by Christopher Hampton
- Les Liaisons dangereuses (TV miniseries), a 2003 TV miniseries adapted by Eric-Emmanuel Schmitt
- Liaisons Dangereuses (band), a German electropunk band from the early 1980s and their eponymous 1981 album