Separator (disambiguation)
Trenner stands for
- short, concise sound effects in radio, see Trenner
- in electrical power engineering, see disconnector
- a term in graph theory, see separator (graph theory)
Trenner is the surname of the following people:
- Anna Trenner (before 1891 – after 1902), Austrian theater actress
- Donn Trenner (1927–2020), American arranger and pianist
- Franz Trenner (1915–1992), German musicologist
- Robert Trenner (* 1973), German soccer player
- Stefan Trenner (* 1967), German composer
