J. Michael Arrington (born March 13, 1970 in Orange, California) is the founder and former co-editor of TechCrunch, a blog covering the Silicon Valley technology start-up communities and the wider technology field in USA and elsewhere. Magazines such as Wired and Forbes have named Arrington one of the most powerful people on the Internet.

In 2008, he was selected by TIME Magazine as one of the most influential people in the world. Wired magazine also included him in a flowchart of "internet blowhards" citing his obsession with "Web 2.0".