NBD may refer to:
Companies National Bank of Detroit, which went defunct in 1995 National Bank of Dominica, a financial services firm in Roseau, Dominica National Business Daily, a Chinese financial and economic newspaper Emirates NBD, formerly National Bank of Dubai NBD Television, a UK-based international distributor of TV programming Nintendo Business Development, a Nintendo division focusing on smart devices
Science and technology Negative binomial distribution, in mathematics Network block device, in computing Neurobiological brain disorder, of the nervous system Norbornadiene, a bicyclic hydrocarbon
Other uses New business development, a business activity