Family name Landgraf (Landgraf 
, Ландграф, Landgrave) , around the globe, is a common cognomen. The cognomen Landgraf is habitual in Western Europe, particularly Germany, where it is quite a rare surname, Austria, and Switzerland. Measured by absolute frequency, the name is most common in Germany, the United States, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Landgraf | Austria, Brazil, Germany, United States, Switzerland |
| michael landgraf DE (b. 1498) |
|
|
| simon landgraf (b. 1568) |
|
|
| hessen-kassel, landgraf, 1633-1635 karl (1633-1635) (b. 1633) |
|
|
| johann christoph landgraf (b. 1660) |
|
|
| adam landgraf AT (b. 1750) |
|
|
| gottlob landgraf (b. 1783) |
|
|
| michael landgraf DE (b. 1801) |
|
|
| christian wilhelm eduard landgraf (b. 1817) |
|
|
|
georg landgraf German politician (1885-1933), DE (b. 1885) |
|
| josef landgraf DE (b. 1843) |
|
|
| gustav landgraf German classical philologist and teacher (1857-1932), DE (b. 1857) |
|
|
| wilhelm landgraf (b. 1850) |
|
|
| wilhelm landgraf (b. 1850) |
|
|
| franz landgraf German photographer, DE (b. 1870) |
|
|
| michael landgraf (b. 1867) |
|