Walter Haas

• Walter A. Haas, president and chairman of Levi Strauss & Co.
• Walter A. Haas Jr., president and chairman of Levi Strauss & Co., son of Walter A. Haas.
• Walter de Haas or Hanns Günther, German author, translator and editor
• Walter H. Haas, founder of Association of Lunar and Planetary Observers
• Walter F. Haas, city attorney of Los Angeles, California
• Walter J. Haas, American businessman and former president of the Oakland Athletics