Mikey \m(i)-key\ as a boy's name is a variant of Micah (Hebrew) and Michael (Hebrew), and the meaning of Mikey is "who resembles God?".
The baby name Mikey sounds like Mike, Miky and Mickey. Other similar baby names are Mikel, Rickey, Rikky, Ikey, Mackey, Macey, Markey, Morey, Maxey, Mikal, Mykel, Mikol, Miko, Mikkel, Mikell, Mikael, Micky, Miki, Mikio, Mirek, Nikky, Nickey and Pike.