Klopfenstein
Klopfenstein is the family name of the following people:
- Clemens Klopfenstein (* 1944), Swiss filmmaker
- Delphine Klopfenstein Broggini (* 1976), Swiss politician (Greens)
- Martin Alfred Klopfenstein (1931–2016), Swiss Protestant Reformed theologian
- Scott Klopfenstein (* 1977), member of the ska band Reel Big Fish
- Willy Klopfenstein (1921–2002), Swiss ski jumper
