Peth may refer to:

Peths in Pune, places (peths) in Pune, India Kasba Peth Budhwar Peth Peth Islampur, a village in Sangli district, Maharashtra, India Peth taluka, a taluka in Nashik district, Maharashtra State, India Peth, Dahanu, a village in Maharashtra, India Astrid Peth, a character played by Kylie Minogue on Dr. Who Peristimulus time histogram, sometimes called pre-event time histogram or PETH The Peth, a band formed in 2008 by drummer Dafydd Ieuan PEth, short for phosphatidylethanol, a biomarker for alcohol consumption