The national dish of Scotland is banned in America as there’s a 1971 law that states foods must not contain sheep lungs.
Slaughtering horses for human consumption is illegal in the USA (though technically, consuming horse meat isn’t).
Black pudding, and other ‘blood cakes’ from around the world such as ti-hoeh-koe from Taiwan, are banned in US due to sanitary reasons. There’s hope in Scotland that Trump will lift this ban however.
These European treats contravene the 1938 Federal Food, Drug & Cosmetic Act which bans items containing a “non-nutritive object in food”.
Unpasteurised ‘raw’ milk
Banned in some, but not all, US states on health grounds.
An Italian delicacy, and we use that word lightly, this is a round pecorino cheese infested with maggots, that you eat.
Not totally banned, but certainly banned in California and a few other states. Foie gras is a fattened gooses liver.
The national fruit of Jamaica, which if not fully ripe, can contain high levels of Hypoglycin A and B. Consequently fresh fruit is banned, though some canned versions are now available.
Banned simply for the cruel method of acquiring them (namely cutting the fins of the animal while alive and throwing it back into the sea) and to preserve shark numbers.
Found in Russia and parts of Iran, and banned from being importing to protect overfishing of sturgeon in those countries.
Japanese puffer fish
Banned unless you have a special licence, because its so deadly poisonous!