In all the world, Jammer (Jammer 
, ימר 
, יאמר ) is a rare principally boy's, but scarcely girly forename. The forename Jammer is habitual in Philippines, where it is a very rare boy's name, Peru, and Colombia. In absolute terms, the name is most common in Philippines, India, and Peru. More prevalently, Jammer is the last name as well as the forename.