- Zorn
- Zrelak
- Zschocke
- Zschommler
- Elsa (b. 25 Nov 1919, d. 8 Jul 1991)
- Zubler
- Zuck
- Zucker
- Zuehlke
- Zug
- Zugenbuehler
- Zugg
- Zugschwerdt
- Zuleger
- Luise (b. 8 May 1909, d. 8 Jan 1993)
- Zumbro
- Barbara (b. 1 May 1828, d. 22 Mar 1917)
- Zumdahl
- Zumstein
- Zumwalt
- Zuppinger
- Zuptich
- Zurcher
- Zurfluh
- Zurhorst
- Zweier
- Zwick
- Zwicker