While it may be easy to find John Cenas address on the Internet today. It is not a good idea to show up at his door, or to send mail to his house. If you would like to mail him, you can contact him at WWE. Inc., 1241 East Main Street, Stamfort, CT, 06902, USA.
John Cena, the professional wrestler, has an address exclusively for his fans. That address is John Cena WWE 1241 E Main St Stamford Ct 06902 You can find more information here: http://en.wikipedia.org/wiki/John_Cena