what is grandma in italian
you voted. 1  The Italian word for grandmother is nonna, which can be used as a nickname. 2  the italian way of saying grandmother or grandma is nonna and it's pronounciation is nohn-nah notice the letter h.speek it out with a little of the h in it.  3 Nonna is the Italian word for grandmother. I am not sure about grandma, but I think is nonnina. You may also try the dear grandmother, which is also colloquial: cara nonna.