Cognomen Keiser (Keiser 
, カイザー 
, Кайзер 
, along with others...) , throughout the world, is a common last name. The cognomen Keiser is characteristic of Switzerland, where it is quite a common surname, Luxembourg, where it is quite a rare surname, and Kazakhstan. In absolute terms, the name is most common in the United States, Switzerland, and Germany. Likewise, Keiser is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Keiser | India, France, Germany, United States, Switzerland |
| カイザー | Japan |
| Кайзер | Ukraine, Belarus, Russia, Kyrgyzstan, Kazakhstan |
| Кейсер | Ukraine, Kazakhstan, Russia |
| كيسر | Morocco |
| georg keiser Gunsmith (b. 1647) |
|
|
| gottfried keiser (b. 1650) |
|
|
| johan harmen keiser Dutch judge (1668-1718), NL (b. 1668) |
|
|
| reinhard keiser German opera composer, DE (b. 1674) |
|
|
|
maria johanna hermanna keiser 27 Nov 1739 Groningen - 16 Aug 1816 Leeuwarden, NL (b. 1739) |
|
| gerhard jacob keiser Dutch judge (1701-1785), NL (b. 1701) |
|
|
| johannes keiser 12 Feb 1708 Groningen - 12 Apr 1748 Groningen (b. 1708) |
|
|
| karl joseph keiser CH (b. 1702) |
|
|
| sophie dorothea louise keiser (b. 1712) |
|
|
| jacob warmolt keiser Dutch judge (1737-1821), NL (b. 1737) |
|
|
| johann martin christian keiser (1750-1821), CH (b. 1750) |
|
|
|
ludwig keiser (1816-1890), CH (b. 1816) |
|
| gerhard jacob keiser Dutch lawyer and politician, NL (b. 1770) |
|
|
| j.h. keiser (b. 1760) |
|
|
| franz xaver keiser (1780-1855), CH (b. 1780) |
|