Peter Auer (born 1954) is professor of Germanic Linguistics at the University of Freiburg in Freiburg im Breisgau, Germany. Auer graduated from the University of Constance in 1983. He worked at the University of Hamburg before going to Freiburg.^[1]

Auer has authored several monographs and edited numerous collections of scholarly research, including work on code-switching, contextualization, multilingualism, dialectology, and other areas of sociolinguistics and applied linguistics. He served as the German science foundation's referee for general linguistics from 2000 to 2008.^[1]

• Auer, Peter; Pfänder, Stefan (2011). Constructions: Emerging and Emergent. Walter de Gruyter. ISBN 978-3-11-022908-0.
• Auer, Peter (2007). Style and Social Identities: Alternative Approaches to Linguistic Heterogeneity. Walter de Gruyter. ISBN 978-3-11-019081-6.
• Auer, Peter; Couper-Kuhlen, Elizabeth; Muller, Frank (1999). Language in Time: The Rhythm and Tempo of Spoken Interaction. Oxford University Press. ISBN 978-0-19-535516-1.
• Auer, Peter (1998). Code-Switching in Conversation: Language, Interaction and Identity. Routledge. ISBN 978-1-134-60673-3.
• Auer, Peter; Di Luzio, Aldo (1992). The Contextualization of Language. John Benjamins Publishing. ISBN 978-90-272-5034-6.
• Auer, Peter (1984). Bilingual Conversation. John Benjamins. ISBN 978-90-272-2541-2.