Gropp is a surname. Notable people with the surname include:
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Bill Gropp
William Douglas Gropp is the director of the National Center for Supercomputing Applications (NCSA) and the Thomas M. Siebel Chair in the Department of Computer Science at the University of Illinois at Urbana–Champaign. He is also the founding ...
, American computer scientist
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Reint E. Gropp (born 1966), German economist
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