Ignatz

• Ignatz Bubis, German Jewish leader and chairman of the Zentralrat der Juden in Deutschland from 1992 to 1999
• Ignatz Leo Nascher, Austrian-born, Americanized medical doctor who coined the term "geriatrics" in 1909
• Ignatz Lichtenstein, Hungarian Orthodox rabbi who wrote pamphlets advocating conversion to Christianity
• Ignatz Urban, German botanist
• Ignatz von Popiel, Polish-Ukrainian chess player
• Ignatz Waghalter, Polish-German composer and conductor
• Ignatz, a central character in the comic strip Krazy Kat
• Ignatz Victor, a character from