Diggelmann is a surname that occurs primarily in Switzerland. Notable people with the surname include:
Alex Diggelmann (1902–1987), Swiss graphic artist and book designer Robert Diggelmann (1924–2018), Swiss wrestler Walter Diggelmann (1915–1999), Swiss road bicycle racer (1927–1979), Swiss writer
See also Diegelmann, a German surname
de:Diggelmann fr:Diggelmann ru:Диггельман