Balloon phobia or globophobia is a fear of

balloon A balloon is a flexible bag that can be inflated with a gas, such as helium, hydrogen, nitrous oxide, oxygen, and air. For special tasks, balloons can be filled with smoke, liquid water, granular media (e.g. sand, flour or rice), or lig ...

s. The source of fear may be the sound of balloons popping. Generally, people with globophobia will refuse to touch, feel, or go near a balloon for fear it will burst. This is a form of phonophobia.

References

Phobias Balloons (entertainment) {{mental-health-stub