Orenstein

There are several notable people with the surname Orenstein.

• Alexander Jeremiah Orenstein, South African medical scientist and army general
• Henry Orenstein, American poker player and entrepreneur
• Henry Orenstein (painter), Canadian artist
• Howard Orenstein, American lawyer and politician
• Joan Orenstein, Canadian actress
• Leo Orenstein, Canadian television producer and director
• Peggy Orenstein, American writer
• Toby Orenstein, an American theatrical director, producer, and educator
• Walter Orenstein, American vaccinologist
• Zigu Ornea (born Orenstein or Ornstein), Romanian cultural historian