Surname Ларкем (Ларкем 
, Larkham 
) , around the globe, is a rare cognomen. The family name Ларкем is habitual in Australia, where it is a rare surname, the United Kingdom, and New Zealand. Measured by absolute frequency, it is commonest in the United Kingdom, Australia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Ларкем | Ukraine |
| Larkham | Canada, United Kingdom, United States, Myanmar, Australia |