Randolph Preston McAfee (born July 7, 1956) is an American economist and distinguished scientist at Google.

His research has concentrated on microeconomics and industrial organization, on topics including auctions, bundling, price discrimination, antitrust, contracting, and mechanism design.

Together with Ted Bergstrom, he maintains an online database[6] on the costs of academic journals to university libraries.

McAfee is also the author of a textbook on business strategy, Competitive Solutions: The Strategist's Toolkit, with insights for managers based on microeconomic foundations.

[9] McAfee has served as a consultant to the U.S. Department of Justice Antitrust Division and the U.S. Federal Trade Commission (FTC).

McAfee has advised on matters concerning mergers, collusion, price-fixing, electricity pricing, bidding, procurement, sales of government property.

He was an expert witness in FTC v. Rambus, and on the competitive effects of the proposed PeopleSoft-Oracle merger in USA v. Oracle Corporation.