who is the owner of amazon.com?

Answer 1

Amazon.com is a publicly traded company so basically, the owners are the shareholders. However, the decision-maker is probably most likely Jeffrey P. Bezos who is the President, Chief Executive Officer and Chairman of the Board

Answer 2

Me. (And millions more, of course)

If you want to own Amazon too just open a brokerage account at TD Ameritrade and buy some shares every month until you die. (You will die with millions)

Here are the largest owners:
1) Bezos, Jeffrey P (24.6%)
2) Legg Mason Fund Advisors (18.8%)
3) Smith Barney Asset Management (6.0%)
4) TCW Group (5.8%)
5) T Rowe Price Associates (5.5%)