Tl;Dr It was a team effort. If you want one name, Ben Goodger was the lead and wrote the original design doc.
As Philip mentions, Chrome is based on many open source projects going back about a decade. Hundreds of engineers worked on those FOSS packages.
The Google story began around March 1, 2006 when someone came up with the idea for an April Fools joke that Google was making a browser. That unknown person probably deserves an honorable mention. because they spawned the more serious discussion at Google.
From there the Pm team discussed briefly whether this should be taken seriously. They decided it was a joke and too much of a distraction.
On March 27, the AFJ was announced to the company.
It then went to Product Council, which came back positive mid April, 2006. It was now an official Google project.
(More) Who are the creators of Google Chrome?
via Answers by Jeff Nelson on Quora,