Stau
Look up stau in Wiktionary, the free dictionary.
Stau may refer to one of the following:
- In particle physics, stau is a slepton which is the hypothetical superpartner of a tau lepton
 - An obsolete letter Stigma in the Greek alphabet
 - In German, stau is a word meaning 'traffic jam'
 - One common abbreviation of St. Augustine High School (disambiguation)
 - In the fictional Vulcan language, stau is the verb 'to kill'
 - An alternate name for the Horpa language