Adam R. Dell (born 14 January 1970) is an American (US) venture capitalist and is the brother of Michael Dell, the founder of computer manufacturing company Dell Inc.

Adam Dell was born in Houston (Houston, Texas), Texas. He attended Memorial High School (Memorial High School (Hedwig Village, Texas)) in Houston, Tulane University and the University of Texas School of Law. He began his career working as a corporate attorney for Winstead Sechrest & Minick in Austin, Texas before joining the venture capital firm of Enterprise Partners in southern California in 1997. He then joined Crosspoint Venture Partners in northern California where he became a Partner in 1999. In 2000 he formed Impact Venture Partners, an early stage venture capital firm, in New York City. Dell also serves as a Managing Director at Steelpoint Capital Partners, a private equity firm with offices in New York City and San Diego.

During the course of his career, Dell has invested in numerous technology companies such as HotJobs.com, which was acquired by Yahoo in 2002; Connectify, which was acquired by Kana Software in 2000; Ingenio, which was acquired by AT&T in 2007; and OpenTable. He has founded two companies, Buzzsaw.com, which was acquired by AutoDesk in 2002, and MessageOne, which was acquired by Dell, Inc. in 2008. He currently serves on the Board of Trustees of the Santa Fe Institute and is on the board of directors of XO Communications, OpenTable and BagBorrowOrSteal.com.

Mr. Dell teaches a course on Business, Technology and Innovations at Columbia Business School and is a visiting professor at the University of Texas School of Law where he teaches a class on the role of law in innovation. Information about his class can be found at www.adamdell.com.

On February 24, 2010, it was reported that Dell would be taking over fatherly duties when it came to Padma Lakshmis newborn daughter Krishna. On March 19, 2010, Lakshmi revealed Adam Dell as the biological father of her child.