Lavant may refer to:

• Lavant, Tyrol, Austria, a municipality
• Lavant, West Sussex, a civil parish
  • Lavant railway station
  • Lavant (ward)
• River Lavant, West Sussex, the winterbourne after which the village is named
• Lavant (river), Carinthia, Austria
  • Lavant viaduct, a motorway bridge over the river
• Lavant, Ontario, Canada, a community in the township of Lanark Highlands
• Roman Catholic Diocese of Lavant, a former bishopric, suffragan of the Prince-archbishop of Salzburg
• Christine Lavant (1915-1973), Austrian poet and novelist
• Denis Lavant (born 1961), French actor