Globally, Каисер (Kaiser 
, Kayser , Каисер 
) is a common largely boy's, but infrequently girly given name. The given name Каисер is habitual in Bangladesh, where it is quite a rare masculine name, Oman, and Panama. In absolute terms, it is commonest in Bangladesh, India, and Philippines. More frequently, Каисер is the last name as well as the forename.
Каисер is also a name for the fictitious and mythical characters: Kaiser Insight , the fictional character from Princess Connect!, Princess Connect! Re:Dive; Kaiser Maximilian I. , the operatic character in the opera Hans Sachs; Kaiser Konstantin , the operatic character in the opera Fausta; Kaiser Joseph II. , the operatic character in the operetta Die Försterchristl and Kaiser Overall (Emperor Overall) , the operatic character in the opera Der Kaiser von Atlantis by Viktor Ullmann, among other works.