Cognomen Achtem (Ахтем 
, אחטם 
, Achtem 
) , throughout the world, is a rare surname. The last name Achtem is habitual in Canada, where it is a rare surname, Ukraine, where it is a very rare surname, and Kyrgyzstan. Measured by absolute frequency, it is the most numerous in Canada, Russia, and Ukraine. More frequently, Achtem is the forename as well as the last name.