Lotscher, Lötscher, or Loetscher may refer to:
Frederick W. Loetscher Sr. (1875–1966), American church historian Lefferts Loetscher (1904–1981), American church historian Ila Loetscher (1904–2000), American aviatrix Frederick W. Loetscher Jr. (1913–2006), American ornithologist Walter Lötscher (1923–2013), Swiss skier Hugo Loetscher (1929–2009), Swiss writer Peter Lötscher (1941–2017), Swiss fencer Kevin Lotscher (born 1988), Swiss ice hockey player Flavia Lötscher (born 2004), Swiss rower Lisa Lötscher (born 2000), Swiss rower