The total neutron cross section of carbon was measured over the energy range 1 keV to 15 MeV, using the U.S. National Bureau of Standards electron linear accelerator as a pulsed neutron source. Neutrom energies were measured by the time-of-flight method.The measurement accuracy is estimated to be±¾% below 100 keV and±1% above .The carbon cross section was fit with a polynomial from 0.001 to 1.4 MeV with the following coefficientsσ= 4.757−3.419E + 1.548E2−0.328E3, whereσis in barns and E in MeV. Data are compared with other results.