Bartschi or Bärtschi (sometimes also spelled Baertschi) is a Swiss German surname. Notable people with the surname include:
Arnold Bartschi (1903–1996), who established the Swiss Pines arboretum in Malvern, Pennsylvania Patrik Bärtschi (born 1984), a Swiss professional ice hockey player Sven Bärtschi (born 1992), a Swiss ice hockey player