This is a classic but I had to make sure it was in this community.
Nah dude, this one really bothered me, so I went and confirmed
South africa: https://english.stackexchange.com/questions/316194/what-are-the-south-african-words-for-crisps-and-french-fries
Australia: https://www.reddit.com/r/australia/comments/36vdp2/do_you_say_crisps_or_chips/
India is related to my own background, and I’ve never heard anyone saying crisps, except in jest.
Wikipedia: https://en.m.wikipedia.org/wiki/Potato_chip#:~:text=Nomenclature
I’m afraid it’s Britain alone