Wallman is a surname. Notable people with the surname include: Arvid Wallman, Swedish diver, gold medalist in plain high diving at the 1920 Olympics, representing Sweden. Christiana Wallman, American singer-songwriter and writer. Hans E. Wallman, Swedish entrepreneur, impresario, composer, film director, author, and theatrical producer. Henry Wallman, American mathematician. Jan Wallman, American nightclub owner and producer. Katherine Wallman, American statistician. Margarete Wallmann, German-Austrian ballerina, choreographer, stage designer, and opera director.
https://en.wikipedia.org/wiki/Wallman