What is the fear of spending money called?

Chrometophobia

The fear of spending money is called Chrematophobia or Chrometophobia. The word "chremat" comes from the Greek word for "money". People with chrematophobia may avoid spending money altogether, or to experience severe anxiety when they are making a purchase. They may also have a fear of debt or financial ruin.

The other options are:

• Chionophobia: fear of snow
• Chromophobia: fear of colors
• Cibophobia: fear of food