I think 'potato chips' is always American crisps, nobody specifies 'potato' for British chips? Also fwiw, amusingly, your attempt to internationally disambigua

I think 'potato chips' is always American crisps, nobody specifies 'potato' for British chips? Also fwiw, amusingly, your attempt to internationally disambiguate the terms fell down because Walkers is Lays everywhere except the UK!