Kalkfeld is a settlement in the Otjozondjupa region of Namibia. It is situated halfway between Omaruru and Otjiwarongo on the national road C33 and belongs to the Omatako electoral constituency. The place normally receives an annual average rainfall of 346 millimetres (13.6 in), although in the 2010/2011 rainy season 858 millimetres (33.8 in) were measured.