Family name เกียร์ (Kia 
, Geer , Gear 
) , in the world, is a common cognomen. The surname เกียร์ is characteristic of Malaysia, where it is quite a common surname, Isle of Man, and Netherlands, where it is quite a rare surname. In absolute terms, this name is the most popular in the United States, Indonesia, and Malaysia. Likewise, เกียร์ is the forename as well as the last name.