Nirenstein

Nirenstein (also spelled Nierenstein or the Polish version Nirensztajn) is a Yiddish and German-language surname. The word, Niere and Stein, literally translates as "kidney stone"

Notable people with this surname include:
 * Fiamma Nirenstein (born 1945), Italian-Israeli politician
 * Otto Kallir (born Otto Nirenstein; 1894-1978), Austrian-American artist
 * Maximilian Nierenstein (1877-1946), German professor
 * Pola Nirensztajn (1910-1992), Polish dancer