Seidman may refer to:
*
Seidman (surname), list of people with this name
*
BDO Seidman
BDO USA, P.C. is the United States member firm of BDO International, the 5th largest global accounting network with over $12.8 billion in revenue. It is the 6th largest accounting and professional services firm in the United States by revenue. In ...
, an American accounting firm
*
Seidman College of Business, a college at Grand Valley State University
* Anglicized version of ''seiðmaðr'', a male practitioner of
Seid
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