Surname Casler (Casler 
) , in all the world, is quite a rare cognomen. The last name Casler is habitual in Israel, where it is quite a rare surname, the United States, where it is a rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Casler | Canada, France, Israel, United States, New Zealand |
| john overton casler American soldier; Confederate army during the American Civil War and memoirist, US (b. 1838) |
|
|
| herman casler American inventor, US (b. 1867) |
|
|
| florence casler Canadian businessman (1869-1954), CA (b. 1869) |
|
|
| jeff casler college basketball player (1989–1991) Michigan State |
|
|
| heather e casler researcher |
|
|
| jason c casler researcher (ORCID 0000-0001-9742-9978) |
|
|
| michael d casler researcher |
|