1) Bengali surname 2) Hindu surname 
Mukherjee (মুখার্জি Mukharji), Mookerjee or Mukerji or Mukherji is a Kulin Brahmin Bengali surname, common among residents of the Indian state of West Bengal. The traditional Bengali version is মুখোপাধ্যায় Mukhopaddhae, which is sometimes written Mukhopadhyay, which is alternately spelled as Mookerjee or Mu...