Peter Liechti (8 January 1951 – 4 April 2014) was a Swiss movie director.
After graduating from high school Liechti initially began studying medicine.
In the early 1980s he began experimenting with filmmaking, and in 1985 he was one of the co-founders of the arthouse cinema KinoK in his hometown of St. Gallen.
In 1986 Liechti began working as a freelance screenwriter, director, cameraman and producer on a variety of arthouse productions.
Over the course of his career he made a number of films in collaboration with well-known musicians and artists such as Roman Signer, Norbert Möslang, Fredy Studer and Nam June Paik.