Last name Jansonius (Jansonius 
) , globally, is a rare cognomen. The family name Jansonius is characteristic of Netherlands, where it is a rare surname, Canada, where it is a very rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Jansonius | Netherlands, Canada, Mexico, United States, South Africa |
| jacobus jansonius NL (b. 1547) |
|
|
| maria jansonius (1620-1703) (b. 1620) |
|
|
| gustavus joannis jansonius SE (b. 1618) |
|
|
| jan jansonius politician (1870-1957), NL (b. 1870) |
|
|
| jan jansonius Dutch born Canadian geologist and botanist (1928-2013), CA (b. 1928) |
|
|
|
johannis freerk jansonius |
|
| johan jansonius (b. 1932) |
|
|
| ryan p jansonius researcher |
|
|
| c. jansonius |
|
|
| susanna jansonius |
|