David Patrick Reed (born January 31, 1952) is an American computer scientist, educated at the Massachusetts Institute of Technology, known for a number of significant contributions to computer networking and wireless communications networks.

He was involved in the early development of TCP/IP, and was the designer of the User Datagram Protocol (UDP), though he finds this title "a little embarrassing".

He currently serves as a senior vice president of the Chief Scientist Group at SAP Labs.

[4] He is one of six principal architects of the Croquet project (along with Alan Kay, Julian Lombardi, Andreas Raab, David A. Smith, and Mark McCahill).

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