Venky Harinarayan is an Indian entrepreneur. He is the co-founder of Cambrian Ventures and Kosmix. Harinarayan also co-founded Junglee Corp. and played a significant role at Amazon.com in the late 1990s. Originally from Bombay, India, Harinarayan has a PhD in Computer Science from Stanford University and a Bachelor of Technology in Computer Science from IIT Madras (Class of 1988). While at Stanford, Harinarayan co-wrote a paper on implementing data cubes with Anand Rajaraman and Jeff Ullman, which is among the top 600 most cited computer science articles over the last 20 years. 
Together with four other engineers, Harinarayan founded Junglee Corp. in 1996. Junglee Corp. pioneered Internet comparison shopping. Junglee Corp. was acquired by Amazon.com Inc. in August 1998 for 1.6 million shares of stock valued at $250 million.  Harinarayan then became General Manager at Amazon.com, where he worked with Founder and CEO Jeff Bezos to help create Amazon.com's marketplace business. Marketplace is currently[when?] Amazon.com's most profitable and fastest-growing business, accounting for almost 25% of all US transactions. Harinarayan also was an inventor of the concept underlying Amazon.com’s Mechanical Turk.
Harinarayan and his business partner, Anand Rajaraman, co-founded Cambrian Ventures, an early stage venture capital fund, in 2000. Cambrian went on to back several companies later acquired by Google. Cambrian funded companies like Mobissimo, Aster Data Systems and TheFind.com. Harinarayan also helped create search advertising startup Efficient Frontier, and is a board member and founding investor. Efficient Frontier is now one of the 25 most valuable privately held companies in Silicon Valley, at an estimated $275 million valuation, according to Silicon Alley Insider. In 2005, the business partners co-founded Kosmix, a website which organized the World Wide Web by topic.
- with Rajaraman, Anand; Ullman, Jeffrey D. (1996). "Implementing Data Cubes Efficiently". doi:10.1145/233269.233333.
- Most Cited Computer Science Articles (501–600), CiteSeer. 12 June 2009. Retrieved 15 July 2009.
- Walter, Mark. "Junglee Tries to Tame the Data Jungle" xml.com. 5 August 1998. Retrieved on 1 August 2009.
- "Amazon.com buys Junglee, PlanetAll", Silicon Valley/San Jose Business Journal. 5 August 1998. Retrieved on 20 July 2009.
- Venky Harinarayan, Founding Partner, Cambrian Ventures. Retrieved 31 July 2009.
- Venky Harinarayan et al., Hybrid machine/human computing arrangement, United States Patent, March 27, 2007
- Ranganathan, Chandra and NS Ramnath. "Men Who Spurn Google create Kosmix" The Economic Times. 30 October 2007. Retrieved on 17 March 2009.
- Efficient Frontier, Silicon Alley Insider. 28 March 2008. Retrieved 2 August 2009.
- "Kosmix" CrunchBase. Retrieved 24 March 2009.