Fränzi or Franzi is a given name or nickname. Notable people with the name include:
- Fränzi Aufdenblatten, Swiss World Cup alpine ski racer
- Franzi Groszmann, writer
- Fränzi Mägert-Kohli (born 1976), Swiss snowboarder
- Fränzi Schmidt (born 1943), Swiss figure skater
- Franziska van Almsick, swimmer