Last name リアム (Liam 
, リアム 
) , in the entire world, is a common surname. The family name リアム is habitual in Malaysia, where it is quite a common surname, Israel, and Singapore, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Malaysia, Myanmar, and Israel. More prevalently, リアム is the forename as well as the last name.