Yencken is a surname. Notable people with the surname include:
- Arthur Ferdinand Yencken (1894–1944), Australian diplomat
- Edward Yencken (1854–1932), Australian hardware merchant
- David Yencken (1931–2019), Australian builder, businessman, academic, and heritage practitioner
If an internal link intending to refer to a specific person led you to this page, you may wish to change that link by adding the person's given name(s) to the link. Category: