In Cameroon there are lots of names for Santa Claus:
Sinterklaas, Father Christmas, Santa Claus, and Le Père Noël which mean "Father Christmas" in French.
Santa Claus
Santa Claus
In Thai, Santa Claus is ซานตาคลอส.
They call him Santa Claus, or Santa.
We canadians call him Santa Claus, also. Don't worry about it.
He is still called Santa Claus there, in Alaska.
Santa Claus, or Father Christmas.
They call him Santa Claus. Exactly the same name as you call him.
People in Pakistan call Santa Claus Baba Christmas
People in England often call him Father Christmas, but some of them call him Santa Claus as well.
Santa Claus
People in Ireland call him Santy, Santa and Santa Claus. Santa Claus comes from Saint Nicholas and can then be shortened to Santa Claus or just Santa or Santy. So people in Ireland use those names, like people in many countries do.