Lars Hinrichs (born 18 December 1976, Hamburg, Germany) is a German entrepreneur and investor.

Hinrichs is best known as the founder of XING, a Germany focused, but worldwide available, social networking website dedicated mostly to cultivating business contacts.

He took XING public in December 2006 and led the company to a profitable business with annual sales of €35 million and an EBITDA margin of 35%.

Later in November 2009 Lars Hinrichs sold his stake in XING to Hubert Burda Media.

In 2007 Lars Hinrichs received the Media Award LeadAward[8] and the German Internet Prize 2004 [9] of the Federal Ministry of Economics.