Ornstein
Ornstein is a surname, and may refer to:
- Donald Samuel Ornstein ( born 1934 ), American mathematician
- Leo Ornstein (1892-2002), Russian- American composer
- Leonard Ornstein (1890-1941), Dutch physicist (see also Ornstein - Uhlenbeck process )
- Maarten Ornstein (born 1967 ), Dutch jazz saxophonist and clarinetist -
- Richard W. Ornstein (1880-1963), better known as Richard Oswald, an Austrian film director
- Disambiguation