Can a 76 year old man get a kidney transplant? is it safe?

Depends: The question needs to be answered by the nephrologist seeing him and the willingness of the surgeon to do the procedure. Much depends on the overall health of the person.

Yes if very active: Transplant teams consider how old a person seems medically, not the # of years of their age. A 76 year old who cannot walk 1 block is probably not in good enough condition to survive and thrive from a transplant for long enough to justify the use of that kidney. But, a 76 year old who is quite active and does not have other major medical problems, may have the best chance for long life with a txp.