Last name Jonh (Jonh 
, Иоанн 
, จอนห์ 
) , worldwide, is a common family name. The cognomen Jonh is habitual in Nigeria, where it is quite a rare surname, Namibia, and United Arab Emirates, where it is a rare surname. Measured by absolute frequency, the name is most common in Nigeria, Colombia, and Tanzania. Also, Jonh is the forename as well as the last name.