Laches
- Laches (equity): an equitable principle in Anglo-American law
- Laches (general): an Athenian aristocrat (c. 475 – 418 BCE)
- Laches (dialogue): a Socratic dialogue of Plato
- Laches (Bogotá): a neighbourhood (barrio) in Bogotá, Colombia
See also
- Lache (disambiguation)
- Lachesis (mythology) - the Fate who determined the length of the thread of life
- Lachesis (genus) - the bushmaster pit viper
- Lachesis or 120 Lachesis - C-type asteroid between Mars and Jupiter