Bernard Shaw Nwadialo (born August 16, 1949) was a Nigerian lecturer and customs officer appointed as the Comptroller-General of Nigerian Customs Service from January 2009 to August 2009 by Umaru Musa Yar'Adua, prior to being CGC, he was the deputy Comptroller-General of Custom.

He continued with his secondary school in 1960 to 1966 at the Holy Ghost College Owerri.

He obtained his PhD of soil science in the University of Tennessee, Knoxville from 1978 to 1982.

He rose to become an Assistant Comptroller General in 2004 and was the chief in charge of Economic Relations, Research and Planning, Technical Services and Finance Administration, an position held prior to become a Deputy Comptroller-General of Customs in charge of Strategic Research and Policy.

The then Minister of Industry and Commerce, Theophilus Abah while speaking with journalist stated that the customs boss quoted that they the importers have been giving an unprecedented concession to come clear their goods.