Can you boil canned meat to remove the salt?

You can boil water and other liquids out of canned meat but the salt will stay behind. In fact any solids dissolved in a liquid will be left behind since when the water boils away, the dissolved substance will precipitate out of solution and will be left behind. Rinsing the canned meat and pouring out the extra liquid will make it less salty, and heating the mixture will speed up the process, but even if you do it several times it probably won't be very effective.

It is virtually impossible to boil salt out of canned meats like ham, sausages etc. Boiling may reduce some of the sodium, but not a lot since sodium is used in the processing and will be dissolved in the meat.

You can reduce sodium a little bit more by adding a few slices of raw potato. The potatoes are supposed to absorb some of the salt removing it from the liquid with the meat.